TY  - BOOK
AU  - Welch,Claude A.
AU  - Arnon,Daniel I.
AU  - Cochran,Harold
TI  - Biological science: molecules to man 
AV  - QH308.7 .B56 1968
PY  - 1968///
CY  - New York
PB  - Houhghton Mifflin
KW  - Biological science
ER  -