Title : 
Standardization of Phonocardiography: Efforts in the Netherlands
         
        
            Author : 
Bekkering, D.H. ; Weber, J.
         
        
            Author_Institution : 
Inst. of Medical Phys., Natl. Health Res. Council T.N.O., The Hague, Netherlands.
         
        
        
        
        
            Keywords : 
Appraisal; Biomedical imaging; Cutoff frequency; Electrocardiography; Filters; Heart; Magnetic separation; Manufacturing; Physics; Standardization;
         
        
        
            Journal_Title : 
Medical Electronics, IRE Transactions on
         
        
        
        
        
            DOI : 
10.1109/IRET-ME.1957.5008634