Letter from the editor. The baton is passed.
Heinemann
M K
MK
D013504:Cardiovascular Surgical Procedures; D003299:Cooperative Behavior; D035081:Editorial Policies; D005858:Germany; D006801:Humans; D020407:Internet; D017712:Peer Review, Research; D010506:Periodicals as Topic; D019616:Thoracic Surgical Procedures