TY  - BOOK
AU  - Sommer, Alfred
AU  - 
TI  - Vitamin A Deficiency and  Its Consequnces:  A Field Guide to Detection and Control
SN  - 92-4-154478-3
U1  - 616.39 
PY  - 1995///
CY  - Geneva
PB  - World Health Organisation
KW  - Field Guide to Detection and Control
ER  -