title: Letter: Reduced particulate matter in lyophilized Kefzol.
mesh_terms: D002511:Cephalosporins; D005612:Freeze Drying; D010316:Particle Size; D013440:Sulfides; D013777:Tetrazoles; D013830:Thiadiazoles
chemical_list: D002511:Cephalosporins; D013440:Sulfides; D013777:Tetrazoles; D013830:Thiadiazoles