Miras-Parra F J, Parra-Ruiz J, Gómez-Morales M, Gómez-Jiménez F J, de la Higuera-Torres-Puchol J
Service of Internal Medicine B, "San Cecilio" University Hospital Department of Medicine, Granada, Spain.
Dig Dis Sci. 2003 Oct;48(10):2003-4. doi: 10.1023/a:1026182607257.