ASIM ALI KHAN, UMAR JAHANGIR, JAMEEL AHMAD, PREM KAPOOR, UMAR JAHANGIR, S. Parveen, and QAMAR ALAM KHAN. “EFFICACY OF PIPER NIGRUM (BLACK PEPPER): A REVIEW”. Innovare Journal Health Sciences, vol. 4, no. 4, Aug. 2016, pp. 4-5, https://mail.innovareacademics.in/journals/index.php/ijhs/article/view/13835.