title: 3 beta-acetoxy-5 alpha,6 beta-dihydroxybisnorcholanic acid 22-->16 lactone
authors.affiliation: Laboratorium voor Analytische Chemie en Medicinale Fysicochemie, Faculteit Farmaceutische Wetenschappen, Katholieke Universiteit Leuven, Belgium. hector.novoa@farm.kuleuven.ac.be
authors.lastname: Novoa de Armas H
authors.initials: OM
authors.lastname: Peeters
authors.initials: NM
authors.lastname: Blaton
authors.lastname: De Ranter CJ
authors.lastname: Pomes Hernandez R
authors.initials: JL
authors.lastname: Mola
authors.initials: CS
authors.lastname: Perez
authors.lastname: Suarez Garcia L
authors.initials: MA
authors.lastname: Iglesias
authors.lastname: Coll Manchado F