Raef Hailat, Hira Mughal, Tooba Malik, Afshan Sagheer, Asma Javed, Quratulain Memon. “Possible Association of Female-Pattern Hair Loss With Alteration in Serum 25-Hydroxyvitamin D Levels”. Pakistan Journal of Medical & Health Sciences, vol. 17, no. 02, Apr. 2023, p. 623, doi:10.53350/pjmhs2023172623.