(Q52999696)
Statements
Patterns and purposes of oral contraceptive use by economic status (English)
1 reference
J. G. Feldman
S. Ogra
J. Lippes
1 June 1971
1 reference
61
1 reference
1089-1095
1 reference
6
1 reference
1 reference
1 reference
Identifiers
1 reference