2018-02-202018-02-20Unknownhttp://hdl.handle.net/2152.3/5936This image reflects a view of the STS Coupler used in the Self Teaching System for Cardiac Auscultation.STS Couplermedical studentsWilliam ThorntonUTMBSelf Teaching Systemheart soundsCardiac AuscultationSTS Coupler (J Box), top