Research Article
Analgesic Effect of Melanin from (Nigella sativa L.) in the Hotplate Test in Mice (Possible Opioid Receptor Involvement)
Research Center, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
Kamal E.H. El-Tahir
Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
A.M. Haseeb
Department of Physics, College of Science, King Saud University, Riyadh, Saudi Arabia