Kamal Uddin Khan, Farzana Abdullah. Classification and Frequency of Crown Whirlpool Patterns in Male Hair Transplant Patients. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Aug. 30 [cited 2025 Dec. 5];17(08):142. Available from: https://www.pjmhsonline.com/index.php/pjmhs/article/view/6278