Stability-indicating validated HPTLC method for simultaneous analysis of
rifabutin and isoniazid in pharmaceutical formulations.
A. M. Avachat and S. B. Bhise
J. Planar Chromatogr.-Mod. TLC, 2010, 23(2), 123-128
Link: http://www.akademiai.com/content/18q58k6222nk4m16/
Thanks a lot!