TY  - BOOK
AU  - Alters,Sandra
TI  - Biology: understanding life 
SN  - 0815108583
AV  - QH308.2 .A45 1996
U1  - 574 20
PY  - 1996///
CY  - St. Louis, Missouri
PB  - Mosby-Year Book, Inc.
KW  - Biology
KW  - Human biology
ER  -