title: Retrobulbar versus peribulbar block: alfentanil in eye blocks.
authors.forename: J L
authors.initials: JL
authors.lastname: de Córdoba
authors.forename: J
authors.initials: J
authors.lastname: Balsells
authors.forename: B
authors.initials: B
authors.lastname: Sanchez-Dalmau
authors.forename: J M
authors.initials: JM
authors.lastname: Llonch
authors.forename: J
authors.initials: J
authors.lastname: Bernal
mesh_terms: D015760:Alfentanil; D018686:Anesthetics, Intravenous; D006801:Humans; D009407:Nerve Block; D013508:Ophthalmologic Surgical Procedures
chemical_list: D018686:Anesthetics, Intravenous; D015760:Alfentanil