TY - GEN AU - Watanabe,A AU - Oizumi,K AU - Motomiya,M TI - beta-Lactamase activity in sputum and indirect pathogenicity SN - 0371-2761 PY - 1993///0204 KW - Anti-Bacterial Agents KW - pharmacology KW - Bacteria KW - isolation & purification KW - Humans KW - Respiratory Tract Infections KW - microbiology KW - Sputum KW - enzymology KW - beta-Lactamases KW - analysis N1 - Publication Type: Journal Article ER -