title: Blood return on aspiration before immunotherapy injection.
authors.forename: Jeffrey D
authors.initials: JD
authors.lastname: Miller
authors.forename: Jonathan B
authors.initials: JB
authors.lastname: Bell
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Lee
authors.forename: Fran
authors.initials: F
authors.lastname: Tarvin
mesh_terms: D006801:Humans; D007167:Immunotherapy; D007279:Injections, Subcutaneous / Q000379:methods*; D013396:Suction / Q000295:instrumentation*; D013594:Syringes