Dr. Rajesh Nath ( PharmD )

phytochemistry of flavonoid ruta tea podophyllum lignan phenylpropanoids and flavonoid flavonoids phenylpropanoids rauwolfia pharmacognosy rauwolfia microscopy sarpagandha rauwolfia serpentina rauwolfia microscopy of belladonna belladonna phytochemistry pharmacognosy of belladonna belladonna