TY - BOOK ED - World Health Organization TI - Basic tests for drugs: pharmaceutical substances, medicinal plant materials and dosage forms SN - 9241545135 AV - WHO RS 189 .B35 1998 PY - 1998/// CY - Geneva PB - World Health Organization KW - Drugs KW - Analysis KW - Dosage forms KW - Medicinal plants N1 - Includes bibliographical references and index; schoolofmedicine ER -