Grover , V., R.B. Lipton and S.L. Sclove . "Seasonality of Month of Birth among African American Children with Diabetes Mellitus in the City of Chicago" Journal of Pediatric Endocrinology and Metabolism, 17.3 (2011): 289-296. Retrieved 18 Jun. 2013, from doi:10.1515/JPEM.2004.17.3.289

Grover , V., Lipton , R. & Sclove , S. (2011). Seasonality of Month of Birth among African American Children with Diabetes Mellitus in the City of Chicago. Journal of Pediatric Endocrinology and Metabolism, 17(3), pp. 273-378. Retrieved 18 Jun. 2013, from doi:10.1515/JPEM.2004.17.3.289

Grover , V., R.B. Lipton and S.L. Sclove. 2011. Seasonality of Month of Birth among African American Children with Diabetes Mellitus in the City of Chicago. Journal of Pediatric Endocrinology and Metabolism. 17(3): 273-378. Retrieved 18 Jun. 2013, from doi:10.1515/JPEM.2004.17.3.289