Jick H, Walker AM, Rothman KJ, Hunter JR, Holmes LB, Watkins RN. Vaginal spermicides and congenital disorders. JAMA. 1981 Apr 3;245(13):1329-32. doi: 10.1001/jama.1981.03310380033021
Rosenberg L, Hennekens CH, Rosner B, Belanger C, Rothman KJ, Speizer FE. Early menopause and the risk of myocardial infarction. Am J Obstet Gynecol. 1981 Jan 1;139(1):47-51.
Lawson DH, Jick H, Rothman KJ. Coffee and tea consumption and breast disease. Surgery. 1981 Jan 1;90(5):801-3.