title: In vitro investigation of the diffusion of anhydrous ampicillin and ampicillin trihydrate from different ointments and ointment bases.
mesh_terms: D000667:Ampicillin; D055598:Chemical Phenomena; D002621:Chemistry; D004058:Diffusion; D005079:Excipients; D009824:Ointments
chemical_list: D005079:Excipients; D009824:Ointments; D000667:Ampicillin