title: Interaction of lentogenic Newcastle disease virus and specific antibodies within the yolk sac.
mesh_terms: D000818:Animals; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D002642:Chick Embryo; D002645:Chickens; D005321:Extraembryonic Membranes / Q000276:immunology*; D005298:Fertility; D005557:Formaldehyde / Q000494:pharmacology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D009521:Newcastle Disease / Q000382:microbiology; D009522:Newcastle disease virus / Q000187:drug effects; D005719:gamma-Globulins
chemical_list: D000906:Antibodies; D005719:gamma-Globulins; D005557:Formaldehyde