title: Erythromycin assay: specificity of determining erythromycin A in relation to erythromycin B.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003124:Colorimetry; D004917:Erythromycin / Q000032:analysis*; D013329:Structure-Activity Relationship
chemical_list: D004917:Erythromycin