TY - GEN AU - Friend,M AU - Trainer,D O TI - Serologic evidence of newcastle disease in captive mallards and swans SN - 0090-3558 PY - 1970///0810 KW - Animals KW - Antibody Formation KW - Birds KW - Female KW - Hemagglutination Inhibition Tests KW - Male KW - Newcastle Disease KW - blood N1 - Publication Type: Journal Article UR - https://doi.org/10.7589/0090-3558-6.3.130 ER -