title: Oral pure tramadol exposure like other opioids can cause apnea--why not be careful?
authors.forename: Hossein
authors.initials: H
authors.lastname: Hassanian-Moghaddam
mesh_terms: D000701:Analgesics, Opioid / Q000506:poisoning*; D001049:Apnea / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008297:Male; D014147:Tramadol / Q000506:poisoning*
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol