Safwan, R. A., Simbolon, M. J., & Camellia, V. (2019). The Correlation Between the Level of Anxiety According to the Hospital Anxiety and Depression Scale-Anxiety Subscale with the Duration of Illness, the Age of the Caregiver, and the Age of First Illness in the Biological Mother Who Takes Care of Boys with . Open Access Macedonian Journal of Medical Sciences, 7(16), 2656–2660. https://doi.org/10.3889/oamjms.2019.822