(Q39494030)
Statements
1 reference
Tramadol in labour pain in primiparous patients. A prospective comparative clinical trial (English)
1 reference
Viegas OA
1 reference
Khaw B
1 reference
Ratnam SS
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1 May 1993
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1 reference
49
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3
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131-135
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Identifiers
1 reference
1 reference