Nigella sativa a Potent Healer for Diabetic Wounds and Its Other Pharamcognosal attributes Posted on March 17, 2020March 17, 2020 by admin Nigella sativa a Potent Healer for Diabetic Wounds and Its Other Pharamcognosal attributes Nigella sativa a Potent Healer for Diabetic Wounds and Its Other Pharamcognosal Attributes