1. The use of amyl nitrite in differentiating mitral and aortic systolic murmurs;Barlow, J.; Shillingford, J.;Brit. Heart J,1958
2. Ventricular septal defects: their natural transformation into those with infundibular stenosis or into the cyanotic or noncyanotic type of tetralogy of Fallot;Gasul, B.M.; Dillon, R.F.; Vrla, V.; Hait, G.;J. Amer. med. Ass,1957
3. Intra Vascular Catheterization;Hetzel, P.S.; Swan, H.J.C.; Wood, E.H.,1959
4. The effects of amyl nitrite and phenylephrine on the intracardiac murmurs of small ventricular septal defects;Schrire, V.; Vogelpoel, L.; Beck, W.; Nellen, M.; Swanepoel, A.;Amer. Heart J,1961
5. The use of amyl nitrite in diagnosis of systolic murmurs;Vogelpoel, L.; Nellen, M.; Swanephoel, A.; Schrire, V.;Lancet,1959