![Retraction notice to: “Long-term oxygen administration reduces plasma adrenomedullin levels in patients with obstructive sleep apnea syndrome” [Sleep Medicine 2007;9:80–7]]()
Retraction notice to: “Long-term oxygen administration reduces plasma adrenomedullin levels in patients with obstructive sleep apnea syndrome” [Sleep Medicine 2007;9:80–7]Hiroshi Yamamoto; Shinji Teramoto; Yasuhiro Yamaguchi; Yoko Hanaoka; Masaki Ishii; Shinichiro Hibi; Yasuyoshi Ouchi · 2009