Rubab Rehman, Faryal Arshad, Karan Parkash, Asma Malik, Warda Eman, and Maria Farooq, “The Association of Pes Planus and Calf Muscle Tightness Among School-Age Children”, JHWCR, vol. 3, no. 19, p. e1178, Dec. 2025, doi: 10.61919/sf3r2c98.