SELF-ADMINISTERED NITROUS-OXIDE/OXYGEN ANALGESIA IN OBSTETRICS. WITH PARTICULAR REFERENCE TO THE 'LUCY BALDWIN' MACHINE
- PMID: 14071377
- DOI: 10.1111/j.1365-2044.1963.tb13573.x
SELF-ADMINISTERED NITROUS-OXIDE/OXYGEN ANALGESIA IN OBSTETRICS. WITH PARTICULAR REFERENCE TO THE 'LUCY BALDWIN' MACHINE
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