gastric mucosal concentrations of erythromycin , amoxycillin , ampicillin and ciprofloxacin were determined in patients at upper gastrointestinal endoscopy 38-480 min after a 500 mg dose of erythromycin ethyl succinate , erythromycin stearate , amoxycillin , pivampicillin or ciprofloxacin .
C0002680
ampicillin
C0032032
pivampicillin