title: The tween opacity test as an aid in classification of mycobacteria.
abstract: The Tween opacity test can be used to differentiate (1) Mycobacterium flavescens from Mycobacterium gordonae and Mycobacterium szulgai, and (2) nonphotochromogenic strains of Mycobacterium kansaii from strains of the Mycobacterium terrae complex.
mesh_terms: D001431:Bacteriological Techniques; D009161:Mycobacterium / Q000145:classification* / Q000378:metabolism; D011092:Polyethylene Glycols; D011136:Polysorbates
chemical_list: D011136:Polysorbates; D011092:Polyethylene Glycols