TY  - GEN
AU  - 
AU  - BILLINGS, John J.
TI  - The Ovulation Method:The avoidance of pregnancy in med. pract. by a technique which is safe, reliable & Morally Acceptle
U1  - 304.66/BIL 
PY  - 1965///
CY  - Melbourne
PB  - The Advocate Press
N1  - MATERNITY; WOMEN
ER  -