TY - GEN AU - Toth,T E AU - Siegel,P B TI - Cellular defense of the avian respiratory tract: paucity of free-residing macrophages in the normal chicken SN - 0005-2086 PY - 1986///0804 KW - Air Sacs KW - cytology KW - Animals KW - Chickens KW - physiology KW - Lung KW - Macrophages KW - Poultry Diseases KW - physiopathology KW - Respiratory Tract Diseases KW - Therapeutic Irrigation KW - instrumentation N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S ER -