1. Kristjansson E, Robinson V, Petticrew M, Macdonald B, Krasevec J, Janzen L, et al. School feeding for improving the physical and psychosocial health of disadvantaged elementary school children. Cochrane Database Syst Rev 2007;(1):CD004676.
2. Baker IA, Elwood PC, Hughes J, Jones M, Moore F, Sweetnam PM. A randomised controlled trial of the effect of the provision of free school milk on the growth of children. J Epidemiol Community Health 1980;34:31-4. [PMC free article] [PubMed]
3. Bro RT, Shank L, Williams R, McLaughlin TF. The effects of an in-class breakfast program on attendance and on-task behavior of high-school students. Child Family Behavior Therapy 1994;16(3):1-8.
4. Bro RT, Shank L, Williams R, McLaughlin TF. Effects of a breakfast program on on-task behavior of vocational high-school students. J Educ Res 1996;90:111-5.
5. Corry Mann HC. Diets for boys during the school age London: Medical Research Council, 1926.
6. Lieberman HM, Hunt IF, Coulson AH, Clark VA, Swendseid ME, Ho L. Evaluation of a ghetto school breakfast program. J Am Diet Assoc 1976;68:132-8. [PubMed]
7. Orr JB. Milk consumption and the growth of school-children. Lancet 1928;i:202-3.
8. Paige DM, Cordano A, Huang S-S. Nutritional supplementation of disadvantaged elementary school children. Pediatrics 1976;58:697-703. [PubMed] 9. Shemilt I, Mugford M, Moffatt P, Harvey I, Reading R, Shepstone L, et al. A national evaluation of school breakfast clubs: where does economics fit in? Child Care Health Dev 2004;30:429-37. [PubMed] 10. Shemilt I, Harvey I, Shepstone L, Swift L, Reading R, Mugford M, et al. A national evaluation of school breakfast clubs: evidence from a cluster randomized controlled trial and an observational analysis. Child Care Health Dev 2004;30:413-27. [PubMed] 11. Tisdall FF, Robertson EC, Drake TGH, Jackson SH, Brouha L, Ellis RG, et al. The Canadian Red Cross School Meal Study. Can Med Assoc J 1951;64:477-89. [PMC free article] [PubMed] 12. Agarwal DK, Agarwal KN, Upadhyay SK. Effect of mid-day meal programme on physical growth and mental function. Indian J Med Res 1989;90:163-74. [PubMed]
13. Bailey KV. Rural nutrition studies in Indonesia IX: Feeding trial on schoolboys. Trop Geog Med 1962;14:129-39.
14. Chandler AM, Walker SP, Connolly K, Grantham-McGregor SM. School breakfast improves verbal fluency in undernourished Jamaican children. J Nutr 1995;125:894-900. [PubMed]
15. Chang SM, Walker SP, Himes J, Grantham-McGregor SM. Effects of breakfast on classroom behaviour in rural Jamaican schoolchildren. Food Nutr Bul 1996;17:248-57.
16. Devadas RP, Jamala S, Surabhi A, Murthy NK. Evaluation of a food supplement to school children. Ind J Nutr Diet 1979;16:335-41.
17. Du X, Zhu K, Trube A, Zhang Q, Ma G, Hu X, et al. School-milk intervention trial enhances growth and bone mineral accretion in Chinese girls aged 10-12 years in Beijing. Br J Nutr 2004;92:159-68. [PubMed] 18. Du X, Zhu K, Trube A, Fraser DR, Greenfield AH, Zhang Q, et al. Effects of school-milk intervention on growth and bone mineral accretion in Chinese girls aged 10-12 years: accounting for cluster randomisation. Br J Nutr 2005;94:1038-9. [PubMed]
19. Grillenberger M, Neumann CG, Murphy SP, Bwibo NO, van't Veer P, Hautvast JGAJ, et al. Food supplements have a positive impact on weight gain and the addition of animal source foods increases lean body mass of Kenyan schoolchildren. J Nutr 2003;133:3957-64S.
20. Jacoby E, Cueto S, Pollitt E. Benefits of a school breakfast programme among Andean children in Huarez, Peru. Food Nutr Bull 1996;17:54-64.
21. Jacoby ER, Cueto S, Pollitt E. When science and politics listen to each other: good prospects from a new school breakfast program in Peru. Am J Clin Nutr 1998;67:795S-7S. [PubMed]
22. Murphy SP, Gewa C, Liang LJ, Grillenberger M, Bwibo NO, Neumann CG. School snacks containing animal source foods improve dietary quality for children in rural Kenya. J Nutr 2003;133(11 suppl 2):3950-6S.
23. Powell C, Grantham-McGregor S, Elston M. An evaluation of giving the Jamaican government school meal to a class of children. Hum Nutr Clin Nutr 1983;37:381-8. [PubMed] 24. Powell CA, Walker SP, Chang SM, Grantham-McGregor SM. Nutrition and education: a randomized trial of the effects of breakfast in rural primary school children. Am J Clin Nutr 1998;68:873-9. [PubMed]
25. Neumann CG, Bwibo NO, Murphy SP, Sigman M, Whaley S, Allen LH, et al. Animal source foods improve dietary quality, micronutrient status, growth and cognitive function in Kenyan schoolchildren: background, study design and baseline findings. J Nutr 2003;133:3941-9S.
26. Siekmann JH, Allen LH, Bwibo NO, Demment MW, Murphy SP, Neumann CG. Kenyan school children have multiple micronutrient deficiencies, but increased plasma vitamin B12 is the only detectable micronutrient response to milk or meat supplementation. J Nutr 2003;133:3972-80S.
27. Whaley SE, Sigman M, Neumann CG, Bwibo NO, Guthrie D, Weiss RE, et al. The impact of dietary intervention on the cognitive development of Kenyan school children. J Nutr 2003;133:3965-71S.
28. Zhu K, Zhang Q, Foo LH, Trube A, Ma G, Hu X, et al. Growth, bone mass, and vitamin D status of Chinese adolescent girls 3 y after withdrawal of milk supplementation. Am J Clin Nutr 2006;83:714-21. [PubMed] 29. Zhu K, Du X, Cowell CT, Greenfield H, Blades B, Dobbins TA, et al. Effects of school milk intervention on cortical bone accretion and indicators relevant to bone metabolism in Chinese girls aged 10-12 y in Beijing. Am J Clin Nutr 2005;81:1168-75. [PubMed] 30. Zhu K, Du X, Greenfield H, Zhang Q, Ma G, Hu X, et al. Bone mass in Chinese premenarcheal girls: the roles of body composition, calcium intake and physical activity. Br J Nutr 2004;92:985-93. [PubMed] 31. Pawson R, Greenhalgh T, Harvey G, Walshe K. Realist review--a new method of systematic review designed for complex policy interventions. J Health Serv Res Policy 2005;10(suppl 1):21-34. [PubMed]
32. Pawson R, Greenhalgh T, Harvey G, Walshe K. Realist synthesis — an introduction ESRC working paper series .
33. Dixon-Woods M, Booth A, Sutton AJ. Synthesizing qualitative research: a review of published reports. Qual Res 2007;7:375-422.
34. Simeon DT. School feeding in Jamaica: a review of its evaluation. Am J Clin Nutr 1998;67:790-4S.
35. Campbell M, Fitzpatrick R, Haines A, Kinmonth AL, Sandercock P, Spiegelhalter D, et al. Framework for design and evaluation of complex interventions to improve health. BMJ 2000;321:694-6. [PMC free article] [PubMed]