1. A pocket-portable shock device with application to nail-biting;Bucher;Behav. Res. & Therapy,1968
2. A psychoanalytic study of the significance of self-mutilations;Menninger;Psychoanal. Q.,1935
3. The analysis of an adult nail-biter;Rosow;Int. J. Psycho-Analysis,1954
4. Effectiveness of symptomatic treatment of nail-biting in college students;Smith;Psychol. Newsletter,1957
5. Breaking the cigarette habit: effects of a technique involving threatened loss of money;Tighe,1967