Vitamin A deficiency -- Complications. : Vitamin A deficiency : health, survival, and vision / Alfred Sommer, Keith P. West, Jr. ; with James A. Olson, A. Catharine Ross
1996
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Vitamin A Deficiency -- drug therapy : Carotenoids and vitamin A in translational medicine / edited by Olaf Sommerburg, Werner Siems, and Klaus Kraemer
Vitamin A deficiency in children. : Vitamin A deficiency : health, survival, and vision / Alfred Sommer, Keith P. West, Jr. ; with James A. Olson, A. Catharine Ross