TY - GEN AU - Irwin,R S AU - Madison,J M TI - Symptom research on chronic cough: a historical perspective SN - 0003-4819 PY - 2001///0517 KW - Clinical Protocols KW - Cough KW - etiology KW - History, 20th Century KW - Humans KW - Research N1 - Publication Type: Historical Article; Journal Article; Review UR - https://doi.org/10.7326/0003-4819-134-9_part_2-200105011-00003 ER -