[A study of the vitamin A allowances in children of pre-school age using the size of the blind spot in the eye as an indicator].
D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D006801:Humans; D009900:Optic Nerve; D012160:Retina; D014586:USSR; D014801:Vitamin A
D014801:Vitamin A
Izuchenie obespechennosti deteĭ shkol'nogo vozrasta vitaminom A s primeneniem v kachestve pokazatelia velichiny slepogo piatna glaza.