O. Tawfik

Occipital Nerve Blockade for Cervicogenic Headache: A Double‐Blind Randomized Controlled Clinical Trial

F. Ziade, Z. Naja, M. Al-Tannir, 2006, Pain practice : the official journal of World Institute of Pain.

Repetitive Occipital Nerve Blockade for Cervicogenic Headache: Expanded Case Report of 47 Adults

F. Ziade, Z. Naja, M. Al-Tannir, 2006, Pain practice : the official journal of World Institute of Pain.

Squamous cell carcinoma in situ of the endometrium - A case report with review of the literature

P. Mañá, R. Smith, C. Ward, 2019, Journal of Modern Human Pathology.

Leiomyosarcoma of the vulva: report of a case.

M. Seoud, J. Weed, M. Huntrakoon, 1994, Gynecologic oncology.

Multicentric renal angiomyolipoma associated with pulmonary lymphangioleiomyomatosis: case report, with histologic, immunohistochemical, and DNA content analyses.

D. Persons, M. Austenfeld, O. Tawfik, 1996, Urology.

Extramedullary plasmacytoma of the hand: a case report.

O. Tawfik, S. Langford, K. Templeton, 2001, The Journal of hand surgery.

Tramadol hydrochloride in postoperative analgesia. A double blind comparison against butorphanol tartrate and nalbuphine hydrochloride

E. Amin, O. Tawfik, Khaled Elborglossy, 1990, Pain.