TY - GEN AU - Ting,Y M AU - Liang,L AU - Lu,J Y TI - The acting site of bronchodilator, methacholine and upper respiratory tract infection on airways SN - 0578-1337 PY - 1998///0416 KW - Adolescent KW - Adult KW - Aged KW - Bronchial Hyperreactivity KW - physiopathology KW - Bronchodilator Agents KW - pharmacology KW - Female KW - Humans KW - Male KW - Methacholine Chloride KW - Middle Aged KW - Respiratory Physiological Phenomena KW - Respiratory System KW - drug effects KW - Respiratory Tract Infections KW - Sympathomimetics N1 - Publication Type: Journal Article ER -