title: Comparative study of the paper strip technique with the micro-spot plate and liquid medium methods for niacin.
mesh_terms: D001431:Bacteriological Techniques; D007202:Indicators and Reagents; D008853:Microscopy; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification*; D009539:Nicotinic Acids; D010209:Paper
chemical_list: D007202:Indicators and Reagents; D009539:Nicotinic Acids