The NICHD Women's Contraceptive and Reproductive Experiences Study: methods and operational results.
Marchbanks PA, Mcdonald JA, Wilson HG, Burnett NM, Daling JR, Bernstein L, Malone KE, Strom BL, Norman SA, Weiss LK, Liff JM, Wingo PA, Burkman RT, Folger SG, Berlin JA, Deapen DM, Ursin G, Coates RJ, Simon MS, Press MF, Spirtas R.
Marchbanks PA, et al. Among authors: bernstein l.
Ann Epidemiol. 2002 May;12(4):213-21. doi: 10.1016/s1047-2797(01)00274-5.
Ann Epidemiol. 2002.
PMID: 11988408