613.286SOM 4395 Sommer, Alfred Vitamin A deficiency and its consequences : a field guide to detection and control / Alfred Sommer . – 3rd ed . – Geneva : WHO, 1995. vii, 69 p. ISBN 9241544778 3 : Rs.340.00. Subjects--Topical Terms: FOOD AND NUTRITION Dewey Class. No.: 613.286 / SOM