title: Control of ventilation in pregnant methadone maintenance subjects.
mesh_terms: D002245:Carbon Dioxide / Q000494:pharmacology; D004361:Drug Tolerance; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D008297:Male; D008691:Methadone / Q000494:pharmacology* / Q000627:therapeutic use; D011247:Pregnancy / Q000187:drug effects*; D012119:Respiration / Q000187:drug effects*; D019966:Substance-Related Disorders / Q000534:rehabilitation; D013997:Time Factors
chemical_list: D002245:Carbon Dioxide; D008691:Methadone