TY  - BOOK
AU  - MacDougall,Mary Stuart
AU  - Hegner,Robert William
TI  - Biology: the science of life 
U1  - 574 
PY  - 1943///
CY  - New York
PB  - McGraw-Hill
KW  - Biology
KW  - Life (Biology)
KW  - Human biology
N1  - Includes bibliographical references and index
ER  -