作者
South Africa. Dept. of National Health and Population Development
10
South Africa. Dept. of Health
5
South African Haemophilia Foundation
3
Alling, Arthur Nathaniel
1
Ananthakrishnan, T. N., 1925-
1
Basson, P. A.
1
Carcavallo, Rodolfo R.
1
Centro studi per la tuberculosi e per le malattie dell'apparato respiratorio "C. Forlanini."
1
Connecticut. Commissioners Appointed to Prevent the Introduction and Spread of the Disease, Among Cattle, Called Pleuro-pneumonia, or Pulmonary-murrain
1
Davis, Walter
1
Detmers, Henry Johnson, 1833-1907
1
Dunlap, Albert
1
Ecole nationale vétérinaire d'Alfort
1
Eläinlääketieteellinen korkeakoulu (Helsinki, Finland)
1
Ethnikē Statistikē Hypēresia tēs Hellados
1
Floer, Werner
1
Goh, Tommy Ewe Hock
1
Goranov, Hristo
1
Griffin, Ovidus Arthur
1
Hines, C. M.
1
Industrial Toxicology Research Centre (India)
1
International Agency for Research on Cancer
1
International Conference on Environmental & Occupational Respiratory Diseases Lucknow, India
1
Istituto "Carlo Forlanini."
1
Jensen, Ole Møller
1
Klingeborn, Berndt
1
Københavns universitet
1
Law, James, 1838-1921
1
McNutt, J. N.
1
Meunier, Jean Louis
1
Montana. Board of Stock Commissioners
1
Montana. Office of the Recorder of Marks and Brands
1
Montana. State Veterinary Surgeon
1
Muraleedharan, N.
1
National Institute of Health Administration and Education (India)
1
Nes, Jan Jules van, 1944-
1
Pakistan. Ministry of Health and Social Welfare. Primary Health Care Cell
1
Payne, Alban S.
1
Rijksuniversiteit te Utrecht
1
Salmon, D. E.
1
Singapore. Ministry of Health. Research and Statistics Unit
1
Tierärztliche Hochschule Hannover
1
Universidad de Buenos Aires
1
Veterinärhögskolan (Stockholm, Sweden)
1
Voyles, D. W.
1
Westermarck, Elias
1
Wyoming Territory. Territorial Veterinarian
1
︠T︡Sentŭr za nauchno-tekhnicheska i ikonomicheska informa︠t︡si︠i︡a po selsko i gorsko stopanstvo (Selskostopanska akademi︠i︡a Georgi Dimitrov)
1