Preparation of suspensions of rickettsiae from infected yolk sacs without the use of ether.
D004986:Ether; D004987:Ethers; D006801:Humans; D012281:Rickettsia / Q000208:ethnology* / Q000254:growth & development*; D013535:Suspensions; D015017:Yolk Sac
D004987:Ethers; D013535:Suspensions; D004986:Ether
RICKETTSIA/cultures