Gontkovsky, Samuel, David S. Kreiner, & Joseph J. Ryan. " Endorsement Patterns on the Coping with Health Injuries and Problems (CHIP) Scale in Patients with Multiple Sclerosis: Further Validation of the Instrument and Examination of its Relationships with Demographic and Disease-Related Variables and Measures of." Medical Research Archives [Online], 10.12 (2022): n. pag. Web. 16 Jul. 2024