00000nam 2200000 4500 INLIS000000000001855 20230810014612 0010-0823000303 ta 230810################f##########0#eng## 044-302-279-8 613.943 613.943 BRI o Briggs Michael Oral Contraceptives / Briggs Michael 4 Canada : Eden Press, 1980 214 ; 21,5 cm REPRODUKSI Briggs Maxine In prepareing this annual research review on oral contraceptive we are aware of a major increase in the world literature on this subject