TY - GEN AU - Proctor,D F TI - The upper respiratory tract and the ambient air SN - 0009-9198 PY - 1974///0403 KW - Animals KW - Humans KW - Infant, Newborn KW - Nose KW - physiology KW - Respiration KW - Respiratory System KW - anatomy & histology N1 - Publication Type: Journal Article ER -