by Henkinbrant, A, Khalek, W
Published in Acta clinica belgica (English ed. Online) (1989)

by PIRON, A, E GALOCSY, C, KHALEK, W, HAOT, J
Published in Acta endoscopica (1993)

by AA, Abboud, WA, Khalek
Published in Journal of gastrointestinal & digestive system (2017)

by Henkinbrant, A, Khalek, W, Farchakh, E, Henry, M
Published in Acta gastro-enterologica belgica (01.05.1990)

by Henkinbrant, A, Decoster, O, Farchakh, E, Khalek, W
Published in Acta gastro-enterologica belgica (01.09.1989)

by Piron, A., De Galocsy, Ch, Khalek, W., Haot, J.
Published in Acta endoscopica (01.09.1993)