ANSHUMAN SHUKLA; SUMITA KUMARI; VINITA SINGH; SATYAJEET VERMA; SUJEET RAI. Comparison of Hypobaric Bupivacaine, With and Without Fentanyl for Patients Undergoing Surgeries around Hip: A Randomized Double Blind Study from North India. Academia Anesthesiologica International, v. 5, n. 1, p. 52-56, 22 May 2020.