[2 topics in the recollection of my research].
D000818:Animals; D002642:Chick Embryo; D000882:Haplorhini; D006518:Hepatitis Viruses / Q000302:isolation & purification*; D049673:History, 20th Century; D006801:Humans; D007564:Japan; D008459:Measles virus / Q000302:isolation & purification*; D014773:Virology / Q000266:history