Microanalysis of opiates by x-ray diffraction.
D000701:Analgesics, Opioid; D009892:Opium / Q000032:analysis*; D014961:X-Ray Diffraction; D014965:X-Rays
D000701:Analgesics, Opioid; D009892:Opium
OPIUM/determination; ROENTGEN RAYS