[Epidemiology and control of Marek's disease].
D000818:Animals; D001353:Avian Leukosis / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control; D002645:Chickens; D005860:Germany, West; D011201:Poultry Diseases
Beitrag zur Epidemiologie und Kontrolle der Marek'schen Krankheit.