- (2): 117–129. doi:10.1016/0010-7824(94)90048-5. PMID 7956211.
Walsh TL,
Frezieres RG, Pea**** K,
Nelson AL,
Clark VA,
Bernstein L, et al. (2004). "Effectiveness...
- hdl:10665/345533. WHO/MHP/HPS/EML/2021.02.
Creinin MD,
Schlaff W,
Archer DF, Wan L,
Frezieres R,
Thomas M, et al. (November 2006). "Progesterone
receptor modulator...
- Coulson, Anne H.; Nakamura,
Robert M.; Smith,
Grace C.; Bernstein, Ruth;
Frezieres, Ron; Clark,
Virginia A.; Coan, Carl (1982). "Studies of
cervical caps:...
- contraception.2003.11.006. PMID 15033398.
Schwartz JL,
Weiner DH, Jou Lai J,
Frezieres RG,
Creinin MD,
Archer DF, et al. (2015). "Contraceptive Efficacy, Safety...
-
Retrieved 2015-04-14. Schwartz, Jill L.; Weiner,
Debra H.; Jou Lai, Jaim;
Frezieres, Ron G.; Creinin, Mitc**** D.; Archer,
David F.; Bradley, Lynn; Barnhart...