Correction: Comparative antinociceptive and sedative effects of epidural romifidine and xylazine in dromedary Camels (Camelus dromedarius) - Mohamed A. Hamed; Ibrahim S. Zahran; Alaa Samy; Eman Fayad; Hanadi A. Katouah; Foad Farrag; Mohamed M. A. Abumandour; Adel Sobhy; Ibrahim A. Okene; Mustafa Shukry; Ahmed A. Elolimy; Magdy Elgioushy (BMC Veterinary Research)