Anjum Kausar; Uzma; Shagufta Kausar; Umama Shareef; Ansari Javed Akhtar; Rafia Sultana. A Prospective Observational Study on Need of Clinical Pharmacist in Preventing Drug-Drug Interactions in Geriatrics at a Tertiary Care Teaching Hospital. Int. J. Clin. Pharm. Med. Sci. 2021, 1, 92-101.