Search Results       Your search for [subject]CHORIOALLANTOIC MEMBRANE returned 1 record.           The preparation of anti-smallpox vaccine from the chorio-allantoic membrane of chick embryos-its possibilities in the Philippines. by Gan, Tomas M; Subject: SMALLPOX; CHORIOALLANTOIC MEMBRANE; CHICK EMBRYO; VACCINE; PHILIPPINES.          Add to Book Cart Relevance: 21.78%