TY  - BOOK
AU  - Hafez,E.S.E.
AU  - Evans,Tommy Nicholas
TI  - Human reproduction: conception and contraception 
SN  - 0061410659
PY  - 1973///
CY  - Hagerstown
PB  - Medical Dept.
KW  - Contraception
KW  - Human reproduction
N1  - Includes bibliographical references (p.725-726)
ER  -