1. Kumar PNS, Suresh R. Psychological autopsy study of suicides in farmers: Study from Kerala. Ind Psychiatry J 2024; 33: S 3-8
2. Kumar PNS, Sajithlal E, Shamsudheen M, Kumar RP. Morvan Syndrome Presenting with Psychiatric Manifestations - A Case Report and Review of Literature. Neuro India 2022;70:1202-4.
3. Hundred cases of suicide attempters admitted in a medical intensive care unit: study of psychosocial factors in relation to age & sex- Annals of National Academy Med Sciences.
4. Religion and suicide- Central Institute of Psychiatry Bulletin Ranchi 2004.
5. Social factors and psychopathology in epilepsy- Neurology India 2002.
6. Study of patients referred to a general hospital psychiatry unit from Industries- Industrial Psychiatry Journal.
7. Kumar PNS, Anish PK. Cross sectional analysis of suicidal behavior in adolescents - comparison with adult attemprters. Jan 2020