[1]
Moraes-Filho, J.P.P. et al. 2009. Comorbidities are frequent in patients with gastroesophageal reflux disease in a tertiary health care hospital .
Clinics
. 64, 8 (Jan. 2009), 785–790
. DOI:https://doi.org/10.1590/S1807-59322009000800013
.