TY  - BOOK
AU  - Dolphin, David
TI  - VITAMIN B 12
U1  - 612.399 
PY  - 1962///
CY  - New York
PB  - John Wiley
KW  - Vitamin B 12
N1  - Contents : V. 1. Chemistry -- V. 2 Biochemistry And Medicine
ER  -