Normal values of M mode echocardiographic measurements of more than 2000 healthy infants and children in central Europe
C Kampmann, C M Wiethoff, A Wenzel, G Stolz, M Betancor, C-F Wippermann, R-G Huth, P Habermehl, M Knuf, T Emschermann, H Stopfkuchen
Heart Jun 2000, 83 (6) 667-672; DOI: 10.1136/heart.83.6.667