Karimovich, S. D. ., and S. G. . . Zikriyayevna. “Clinical Course In Upper Gastrointestinal Patients With Connective Tissue Dysplasia Syndrome”. The American Journal of Medical Sciences and Pharmaceutical Research, vol. 3, no. 02, Feb. 2021, pp. 135-9, doi:10.37547/TAJMSPR/Volume03Issue02-20.