TY  - BOOK
T1  - Human birth :an evolutionary perspective /
DA  - c1987.
CY  - New York :
AU  - Trevathan, Wenda.
CN  - RG652
CN  - RG652
PB  - Aldine De Gruyter,
PP  - New York :
PY  - c1987.
N1  - Includes index.
ID  - 148937
KW  - Childbirth.
KW  - Mother and child.
KW  - Human behavior.
KW  - Human evolution.
KW  - Ethology.
KW  - Evolution.
KW  - Infant, Newborn.
KW  - Labor.
KW  - Mother-Child Relations.
SN  - 0202020290
TI  - Human birth :an evolutionary perspective /
ER  -