Meperidine hydrochloride and alphaprodine hydrochloride as obstetric Analgesic agents; a double-blind study
- PMID: 13520837
- DOI: 10.1016/0002-9378(58)90833-0
Meperidine hydrochloride and alphaprodine hydrochloride as obstetric Analgesic agents; a double-blind study
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