TY - GEN AU - Morozov,S V AU - Stavraki,E S AU - Isakov,V A TI - [The prevalence of heartburn in the elderly patients in urban outpatient clinics in Russia] SN - 1682-8658 PY - 2011///0620 KW - Adolescent KW - Adult KW - Age Factors KW - Aged KW - Ambulatory Care Facilities KW - Cross-Sectional Studies KW - Female KW - Gastroesophageal Reflux KW - epidemiology KW - Heartburn KW - Humans KW - Male KW - Middle Aged KW - Prevalence KW - Russia KW - Urban Population N1 - Publication Type: English Abstract; Journal Article ER -