TY - GEN TI - Editorial: British medical journal SN - 0007-1447 PY - 1975///0822 KW - Bronchi KW - metabolism KW - Bronchitis KW - drug therapy KW - Expectorants KW - pharmacology KW - Humans KW - Sputum KW - drug effects KW - Viscosity N1 - Publication Type: Journal Article ER -