Gastric FistulaFistulaArteriovenous FistulaGastric AcidGastric JuiceIntestinal FistulaPentagastrinGastrinsCutaneous FistulaBronchial FistulaVascular FistulaRectal FistulaStomachGastric MucosaUrinary FistulaEsophageal FistulaSecretory RateBiliary FistulaVagotomyPancreatic FistulaRectovaginal FistulaRespiratory Tract FistulaVesicovaginal FistulaVagus NerveVaginal FistulaTracheoesophageal FistulaHistamineDogsArterio-Arterial FistulaUrinary Bladder FistulaArteriovenous Shunt, SurgicalCarotid-Cavernous Sinus FistulaTreatment OutcomePostoperative ComplicationsCentral Nervous System Vascular MalformationsDigestive System FistulaRetrospective StudiesPleural DiseasesOral FistulaFollow-Up Studies