1. Prayer nodules;Vollum;Clin Exp Dermatol,1979
2. Peculiar forehead mark from praying;Harahap;Int J Dermatol,1981
3. Prayer nodules;English;Clin Exp Dermatol,1984
4. Prayer nodules in Moslem men;Kahana;Cutis,1986
5. Mucin deposition in a prayer nodule on the forehead;O’Goshi;Dermatology,1998