@article{oai:ir.jikei.ac.jp:00002608, author = {Tomoe, Shimada and Mitsuyoshi, Urashima}, issue = {3}, journal = {Jikeikai medical journal}, month = {Sep}, pages = {101--111}, title = {Ecological Study:Land Cloud Cover and Suicide in Japan (Originals)}, volume = {57}, year = {2010} }