Appukuttan, Sreedevi P, et al. “Symptom Severity, Disability, and Parental Emotional Availability in Children With Functional Somatic Symptoms: A Cross-Sectional Study in Kerala, India”. National Journal of Community Medicine, vol. 16, no. 12, Dec. 2025, pp. 1243-5, doi:10.55489/njcm.161220256061.