title: A method for the determination of the richness of trypsin observing the activity of the rolitetracycline citrate on a strain of Staphylococcus aureus.
mesh_terms: D008722:Methods; D012382:Rolitetracycline / Q000494:pharmacology*; D013211:Staphylococcus aureus / Q000254:growth & development*; D014357:Trypsin / Q000032:analysis / Q000378:metabolism*
chemical_list: D014357:Trypsin; D012382:Rolitetracycline