Nadia Anwer, SumaiyahObaid, HanifaSuleman, AimanNiaz, Attiq Ur Rehman, Shaher Bano, Arslan Saleem, Sufian Ahmed, “Effects of Stair Climbing Training on Cardiopulmonary Endurance in Gym Users”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 03, p. 128, Apr. 2022.