[Studies on the vitamin A level in the liver and serum of cattle in their relationship to the photography of the fundus of the eye].
D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis*; D005132:Eye Manifestations; D005654:Fundus Oculi; D008099:Liver / Q000032:analysis; D010781:Photography; D014801:Vitamin A / Q000032:analysis* / Q000097:blood; D014802:Vitamin A Deficiency / Q000175:diagnosis / Q000662:veterinary*
D014801:Vitamin A
Untersuchungen über die Vitamin-A-Konzentration in der Leber und im Serum beim Rind und ihre Beziehungen zum fundusphotographischen Augenbefund.