Contaminated opium as a source of chronic arsenic poisoning in Sri Lanka.
D000328:Adult; D000368:Aged; D020261:Arsenic Poisoning; D002908:Chronic Disease; D004340:Drug Contamination; D006801:Humans; D008297:Male; D008875:Middle Aged; D009892:Opium; D011446:Prospective Studies; D013188:Sri Lanka; D019966:Substance-Related Disorders / Q000150:complications*
D009892:Opium