008170000a22002290004500003000900000005001700009020001500026110003100041710003000072710003200102264005300134700002300187700002300210700001600233245013600249300001000385500011300395041000800508650003400516650002600550040001100576PH-MaWHO20241108112552.0  a0521392063  aWorld Health Organization.  aWorld Conservation Union.  aWorld Wide Fund for Nature.  aCambridge : bCambridge University Press,c1991.  aAkerele, Olayiwola  aHeywood, Vernon H.  aSynge, Hugh 4aThe Conservation of medicinal plants : proceedings of an International Consultation, 21-27 March 1988 held at Chiang Mai, Thailand.  a362p.  aOrganized by the World Health Organization, the World Conservation Union and the World Wide Fund for Nature.  aeng  aPlants, MedicinalxCongresses  aMedicine, Traditional  aWHOLIS