An assessment of the analgesic effect in labour of pethidine and 50 per cent nitrous oxide in oxygen (Entonox).
作者信息
Holdcroft A, Morgan M
出版信息
J Obstet Gynaecol Br Commonw. 1974 Aug;81(8):603-7. doi: 10.1111/j.1471-0528.1974.tb00525.x.
Abstract
摘要
Holdcroft A, Morgan M
J Obstet Gynaecol Br Commonw. 1974 Aug;81(8):603-7. doi: 10.1111/j.1471-0528.1974.tb00525.x.
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