TY  - GEN
AU  - Briggs, Michael.
TI  - Oral contraceptives Volume 5.
SN  - 088831096X
AV  - RG137.5 .B75 1981.
PY  - 1981///
CY  - Westmount : , Edinburgh
PB  - Eden Press, Churchill Livingstone, 
N1  - Includes index
ER  -