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2. Congenital heart disease: an analysis of electrocardiographic patterns in 44 patients with elevated right ventricular pressure;Cosby, R.S.; Levinson, D.C.; Zinn, W.J.; Dimitroff, S.P.; Griffith, G.C.;Amer. Heart J,1952
3. Electrocardiographic changes in the first week of life;Datey, K.K.; Bharucha, P.E.;Brit. Heart J,1960
4. The fetal circulation in the lamb;Dawes, G.S.; Mott, J.C.; Widdicombe, J.G.;J. Physiol. (Lond.),1954
5. Closure of the foramen ovale in newborn lambs;J. Physiol. (Lond.)