Benetton, S A Visible spectrophotometric and first-derivative UV spectrophotometric determination of rifampicin and isoniazid in pharmaceutical preparations. [electronic resource] - Talanta Nov 1998 - 639-43 p. digital Publication Type: Journal Article ISSN: 0039-9140 Standard No.: 10.1016/s0039-9140(98)00111-8 doi