20-30, ABDOMEN, ABDOMINAL, ACHE, ACID, ADULT, ALONE, BOISSONNET, BOL, BOREK, BRZUCH, BSIP, CIERPIACA, CIERPIACE, CIERPIACY, CIERPIENIE, CZLOWIEK, DOJRZALY, DOROSLY, EUROPEAN, EUROPEJCZYK, EUROPEJKA, EUROPEJSKA, EUROPEJSKI, EUROPEJSKIE, FEMALE, FROM, GASTROESOPHAGEAL, HEARTBURN, HUMAN, INTERIOR, KOBIETA, KWAS, LATA, PAIN, PERSON, REFLUX, SAM, STOMACH, SUFFERING, WNETRZE, WOMAN, YEARS, ZENSKI, ZOLADEK,