1. Clunie GP, Ralston SH. Rheumatology and bone disease. In: Ralston S, Penman I, Strachan M, Hobson R, editors. Davidson's principles and practice of medicine. 23rd ed. Edinburgh: Elsevier; 2018. p. 1037-8;
2. Dekleva N. Opšte poglavlje o terapiji. In: Dekleva N, editor. Hiperbarična medicina. 1st ed. Nikšić: Lapčević Užice; 1997. p. 96;
3. Arnett FC, Edworthy SM, Bloch DA, McShane DJ, Fries JF, Cooper NS, et al. The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum. 1988;31 (3):315-24;
4. Ostojić P. Ocena težine bolesti i funkcijske sposobnosti bolesnika sa sistemskom sklerozom [M. S. thesis]. Univerzitet u Beogradu, Medicinski fakultet; 2003;
5. Ruof J, Bruhlmann P, Michel BA, Stucki G. Development and validation of a self-administered systemic sclerosis questionnaire (SySQ). Rheumatology (Oxford). 1999;38 (6):535-42;