title: Placement of intra-articular injections verified by ultrasonography and injected air as contrast medium.
authors.forename: U
authors.initials: U
authors.lastname: Fredberg
authors.forename: G
authors.initials: G
authors.lastname: van Overeem Hansen
authors.forename: L
authors.initials: L
authors.lastname: Bolvig
mesh_terms: D000388:Air; D001168:Arthritis / Q000188:drug therapy*; D003287:Contrast Media; D005938:Glucocorticoids / Q000008:administration & dosage*; D006801:Humans; D007270:Injections, Intra-Articular; D008683:Metatarsophalangeal Joint / Q000000981:diagnostic imaging*; D014463:Ultrasonography
chemical_list: D003287:Contrast Media; D005938:Glucocorticoids