TY  - BOOK
AU  - Gottfried,Sandra S.
TI  - Biology today
SN  - 0801674646
U1  - 574 
PY  - 1993///
CY  - New York
PB  - Mosby Year Book
KW  - Biology
KW  - Human biology
N1  - Includes index; 500-599; 574
ER  -