High-field MRI of primary gallbladder carcinomaWILBUR, A. C; GYI, B; RENIGERS, S. A et al.Gastrointestinal radiology. 1988, Vol 13, Num 2, pp 142-144, issn 0364-2356Article

Double-blind comparison of butorphanol and nalbuphine on the common bile duct by ultrasonography in manVIEIRA, Z. E. G; ZSIGMOND, E. K; DUARTE, B et al.International journal of clinical pharmacology, therapy and toxicology (1980). 1993, Vol 31, Num 11, pp 564-567, issn 0174-4879Article

Double-blind placebo-controlled ultrasonographic confirmation of constriction of the common bile duct by morphineZSIGMOND, E. K; VIEIRA, Z. E. G; DUARTE, B et al.International journal of clinical pharmacology, therapy and toxicology (1980). 1993, Vol 31, Num 10, pp 506-509, issn 0174-4879Article

Evaluation of fentanyl and sufentanil on the diameter of the common bile duct by ultrasonography in man : a double blind, placebo controlled studyVIEIRA, Z. E. G; ZSIGMOND, E. K; DUARTE, B et al.International journal of clinical pharmacology and therapeutics. 1994, Vol 32, Num 6, pp 274-277, issn 0946-1965Article

Accessory hepatic fissure mimicking an acoustically shadowing lesionWILBUR, A. C; SCHMIT, D. J; RYVA, J. C et al.Journal of ultrasound in medicine. 1986, Vol 5, Num 6, pp 341-342, issn 0278-4297Article