References
- ^T Grant Phillips, W Paul Slomiany, Robert AllisonHair Loss: Common Causes and TreatmentAm Fam Physician.(2017 Sep 15)
- ^Katherine A McDonald, Amanda J Shelley, Sophia Colantonio, Jennifer BeeckerHair pull test: Evidence-based update and revision of guidelinesJ Am Acad Dermatol.(2017 Mar)