[13th International Symposium on Diseases of Zoo Animals from June 2-6, 1971 in Helsinki].
D000820:Animal Diseases; D000818:Animals; D000836:Animals, Zoo; D003226:Congresses as Topic; D005387:Finland; D014730:Veterinary Medicine
13. Internationles Symposium über die Erkrankung der Zootiere vom 2. bis 6. June 1971 in Helsinki.