Smink A, Ribas-Fito N, Garcia R, Torrent M, Mendez MA, Grimalt JO, Sunyer J. Exposure to hexachlorobenzene during pregnancy increases the risk of overweight in children aged 6 years. Acta Paediatr. 2008 Oct;97(10):1465-9. doi: 10.1111/j.1651-2227.2008.00937.x
Julvez J, Ribas-Fito N, Forns M, Garcia-Esteban R, Torrent M, Sunyer J. Attention behaviour and hyperactivity at age 4 and duration of breast-feeding. Acta Paediatr. 2007 Jun;96(6):842-7. doi: 10.1111/j.1651-2227.2007.00273
Hershey N, Cann CI, Rothman KJ. Reply: overcoming hurdles to epidemiologic research. E & HR. 1985 Mar;7(2):9. doi: 10.2307/3564146
Cann CI, Rothman KJ. IRBs and epidemiologic research: how inappropriate restrictions hamper studies. E & HR. 1984 Jul;6(4):5-7. doi: 10.2307/3564590