TY - BOOK TI - Reliability and validity of the ultrasound technique to measure the rectus femoris muscle diameter in older CAD-patients PB - BMC Medical Imaging KW - Medical Technology KW - Medtech UR - http://bmcmedimaging.biomedcentral.com/articles?tab=keyword&searchType=journalSearch&sort=PubDate&volume=12&page=2 ER -