DOI: 10.1055/s-00000142

Frauenheilkunde up2date

References

Lo WK, Chong JL, Chen LH.
Combined spinal epidural for labour analgesia–duration, efficacy and side effects of adding sufentanil or fentanyl to bupivacaine intrathecally vs. plain bupivacaine.

Singapore Med J 1999;
40: 639-643

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