A PRELIMINARY PHYTOCHEMICAL SCREENING OF MEDICINAL PLANTS: A CASE STUDY OF SELECTED PLANT SPECIES AT THREE PHENOLOGICAL STAGES MUHAMMAD SALEEM KHAN KHAN IQBAL MUNIR SYED ZAHIR SHAH SHAH NAVEED AKHTAR Haroon Khan WISAL MUHAMMAD KHAN KHAN DOI: https://doi.org/10.28941/pjwsr.v22i2.653 PDF Published 2016-06-01 Issue Year 2016, Volume 22 , Issue 2 Section Articles