Association between the number of board-certified cardiologists and the risk of in-hospital mortality: a nationwide study involving the Japanese registry of all cardiac and vascular diseases.

雑誌:BMJ Open. 2019 Dec 15;9(12):e024657.

著者:Yoneyama K, Kanaoka K, Okayama S, Nishimura K, Nakai M, Matsushita K, Miyamoto Y, Kida K, Ishibashi Y, Izumo M, Watanabe M, Soeda T, Okura H, Harada T, Yasuda S, Murohara T, Ogawa H, Saito Y, Akashi YJ.