Retraction of: Lidocaine vs. tramadol vs. placebo wound infiltration for post-cesarean section pain relief: a randomized controlled trial

Affiliations

• ¹ Department of Obstetrics & Gynecology, October 6th University, Giza, Egypt.
• ² Department of Obstetrics & Gynecology, Al-Galaa Teaching Hospital, Cairo, Egypt.
• ³ Department of Reproductive Health Research, National Research Centre, Giza, Egypt.
• ⁴ Department of Obstetrics & Gynecology, Al-Azhar University, Assiut, Egypt.
• ⁵ Department of Obstetrics & Gynecology, Al-Azhar University, Cairo, Egypt.
• ⁶ Department of Obstetrics & Gynecology, Cairo University, Cairo, Egypt.