Authors: N B Schiller; P M Shah; M Crawford; A DeMaria; R Devereux; H Feigenbaum; H Gutgesell; N Reichek; D Sahn; I Schnittger Journal: J Am Soc Echocardiogr Date: 1989 Sep-Oct Impact factor: 5.251
Authors: M A Quinones; A D Waggoner; L A Reduto; J G Nelson; J B Young; W L Winters; L G Ribeiro; R R Miller Journal: Circulation Date: 1981-10 Impact factor: 29.690
Authors: K Yamamoto; T Masuyama; J Tanouchi; M Uematsu; Y Doi; J Naito; M Hori; M Tada; T Kamada Journal: J Am Soc Echocardiogr Date: 1992 Sep-Oct Impact factor: 5.251