Comparative study between lidocaine, magnesium sulfate and dexmedetomidine in alleviation of pain induced by intravenous injection of propofol. - Mustafa, Elsayed I. A.; Zanaty, Ola M.; Shafshak, Wafaa M.; Elfeil, Yasser E. (Research & Opinion in Anesthesia & Intensive Care, 2024)