title: RETRACTED: Optimal site of administration of the PECS 1 block.
authors.affiliation: Department of Anesthesiology, Showa University Hospital, Tokyo, Japan. Electronic address: ueshimhi@yahoo.co.jp.
authors.forename: Hironobu
authors.initials: H
authors.lastname: Ueshima
authors.affiliation: Department of Anesthesiology, Showa University Hospital, Tokyo, Japan.
authors.forename: Otake
authors.initials: O
authors.lastname: Hiroshi
mesh_terms: D000779:Anesthetics, Local / Q000008:administration & dosage*; D002102:Cadaver; D004396:Coloring Agents / Q000008:administration & dosage*; D004615:Embalming / Q000379:methods; D006801:Humans; D007273:Injections, Intramuscular / Q000379:methods; D009407:Nerve Block / Q000379:methods*; D010369:Pectoralis Muscles / Q000294:innervation; D013900:Thoracic Nerves / Q000187:drug effects*; D018084:Ultrasonography, Interventional
chemical_list: D000779:Anesthetics, Local; D004396:Coloring Agents
keywords: Dye injection; PECS 1 block; Spread