G. A. Al Omran, A. A. Noaimi, Z. Al Madfai, and H. Al Hamamy, “A Comparative Study of the Effects of Age and Smoking on Nail Growth Rate in Healthy Individuals”, JFacMedBagdad, vol. 54, no. 3, pp. 239–240, Oct. 2012, doi: 10.32007/jfacmedbagdad.543727.