Let's twist.
Geleijnse
Marcel L
ML
van Dalen
Bas M
BM
D003952:Diagnostic Imaging / Q000266:history; D004452:Echocardiography / Q000266:history*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D049669:History, 16th Century; D049673:History, 20th Century; D006801:Humans; D009426:Netherlands