THE PREPARATION OF ANTISMALLPOX VACCINE BY CULTURE OP THE VIRUS IN THE CHORIOALLANTOIC MEMBRANE OP CHICK EMBRYOS, AND ITS USE IN HUMAN IMMUNIZATION*

Abstract
ERNEST W. GOODPASTURE, G. JOHN BUDDINGH; THE PREPARATION OF ANTISMALLPOX VACCINE BY CULTURE OP THE VIRUS IN THE CHORIOALLANTOIC MEMBRANE OP CHICK EMBRYOS, AND