(Q51643556)
Statements
Nitrous oxide in early labor. Safety and analgesic efficacy assessed by a double-blind, placebo-controlled study. (English)
1 reference
Nitrous Oxide in Early Labor Safety and Analgesic Efficacy Assessed by a Double-blind, Placebo-controlled Study (English)
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Carstoniu J
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Levytam S
1 reference
Norman P
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Daley D
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Katz J
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Sandler AN
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1 January 1994
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January 1994
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80
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1
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30-35
1 reference