TY - GEN AU - Das,P R AU - Pramanik,B N AU - Girijavallabhan,V M AU - Ganguly,A K TI - Ionization of penem beta-lactam antibiotics using thermospray (filament-on) mass spectrometry SN - 0021-8820 PY - 1988///1207 KW - Ammonium Chloride KW - Anti-Bacterial Agents KW - analysis KW - Mass Spectrometry KW - methods KW - beta-Lactams N1 - Publication Type: Journal Article UR - https://doi.org/10.7164/antibiotics.41.1268 ER -