Iranian Red Crescent Medical Journal · 2012 · 31 citations · 18 references
This study has shown that using entonox gas caused less labor pain, favorable expectations and experiences and also more maternal satisfaction.
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ANALGESIA AND SATISFACTION IN CHILDBIRTH (THE QUEEN CHARLOTTE'S 1000 MOTHER SURVEY)
BarbaraM. Morgan, ChristopherJ. Bulpitt, P Clifton et al. · The Lancet · 1982 · 141 citations