Takashin, Tsunekazu [After 200 years, time to watch the step of stethoscope.] [electronic resource] - Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine May 2016 - 861-865 p. digital Publication Type: Historical Article; Journal Article ISSN: 0021-5384 Subjects--Topical Terms: History, 19th CenturyHistory, 20th CenturyHistory, 21st CenturyStethoscopes--history