1. Matthew F. “Touch”, The Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/archives/sum2020/entries/touch/. 2020. Edward N. Zalta (ed.),(Summer 2020 Edition).
2. Singal A. Nail as a window of systemic diseases. Indian. Dermatol Online J. 2015;6(2):67–74.
3. Lee DK. Optimal diagnosis and management of common nail disorders. Ann Med. 2022;54(1):694–712.
4. Channel BH. Nails - fingernail and toenail problems. https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/nails-fingernail-and-toenail-problems. Retreived 04-20-2023, 2023.
5. Publishing HH. Nail trauma. Harvard Health Publishing- https://www.health.harvard.edu/a_to_z/nail-trauma-a-to-z. Retrieved 03-20-2023, 2022.