TY  - GEN
AU  - 
AU  - MARSHALL, John
TI  - The Infertile Period: Principles and Practice
U1  - 304.63/MAR 
PY  - 1963///
CY  - LONDON
PB  - Darton, Longman and Todd
N1  - POPULATION CONTROL; POPULATION GROWTH; TEMPERATIVE METHOD
ER  -