MOIR, D D AN ASSESSMENT OF NITROUS OXIDE APPARATUS USED FOR OBSTETRIC ANALGESIA. [electronic resource] - The Journal of obstetrics and gynaecology of the British Commonwealth Apr 1965 - 264-8 p. digital Publication Type: Journal Article ISSN: 0022-3204 Standard No.: 10.1111/j.1471-0528.1965.tb01428.x doi Subjects--Topical Terms: Analgesia, ObstetricalAnesthesiaAnesthesia, ObstetricalEquipment and SuppliesFemaleHumansNitrous OxideObstetricsPregnancy