Parikh RC, McLaurin KK, Margulis AV, Mauskopf J, Ambrose CS, Pavilack M, Candrilli SD. Chronologic age at hospitalization for respiratory syncytial virus among preterm and term infants in the United States. Infect Dis Ther. 2017 Dec;6(4):477-86. doi: 10.1007/s40121-017-0167-9
Sorensen HT, Pedersen L, Olsen JH, Rothman KJ. Seasonal variation in month of birth and diagnosis of early childhood acute lymphoblastic leukemia. JAMA. 2001 Jan 10;285(2):168-9.
Jick H, Walker AM, Rothman KJ. Vaginal spermicides and congenital disorders - the validity of a study-reply. JAMA. 1986 Jan 1;256(22):3095-6.