Dats-Opoka, Marta, and Halyna Makukh. “Clinical Features of Gastroesophageal Reflux Disease in Children With Different Genotypes of C825T Polymorphic Loci of GNB3 Gene”. Journal of Medical Science, vol. 86, no. 3, Sept. 2017, pp. 207-12, doi:10.20883/jms.2017.248.