TY  - BOOK
AU  - Sommer Alfred
TI  - Vitamin A deficiency and its consequences
SN  - 92 4 154478 3
AV  - 618.92396/SOM 
U1  - 618.92396/SOM 3
PY  - 1985///
CY  - Geneva 
PB  - World Health Organization 
ER  -