00390 a2200133 4500020001500000082001700015100002400032245004900056260005300105300001600158650003400174650003000208650001800238 a8186623302 a615.321bCHA aChattopadhyay, P.K. aHerbal cosmetics & ayurvedic medicines (EOU) aDelhibNational institute of industrial research a583p.c21cm aPharmacology and therapeutics aDrugs derived from plants aOrganic drugs