[RESEARCH ON KERATO-CONJUNCTIVAL RICKETTSIOSIS OF THE PIG IN BULGARIA. PRELIMINARY NOTE].
D000818:Animals; D002031:Bulgaria; D002642:Chick Embryo; D003228:Conjunctiva; D007637:Keratoconjunctivitis; D051379:Mice; D012106:Research; D012282:Rickettsia Infections; D013552:Swine; D013553:Swine Diseases
BULGARIA; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; KERATOCONJUNCTIVITIS; MICE; RICKETTSIAL DISEASES; SWINE; SWINE DISEASES