Research Article

	The myocardial collateral circulation. J R Rees Br. Heart J. 1969; 31: 1-4. doi:10.1136/hrt.31.1.1 [PDF] [Request Permissions]
	The heart in Friedreich's ataxia. R Hewer Br. Heart J. 1969; 31: 5-14. doi:10.1136/hrt.31.1.5 [PDF] [Request Permissions]
	Frank vectorcardiogram correlated with haemodynamic measurements: quantitative analysis. S Lal, E Fletcher, and P Binnion Br. Heart J. 1969; 31: 15-20. doi:10.1136/hrt.31.1.15 [PDF] [Request Permissions]
	Relative roles of genetic and environmental factors in control of blood pressure in normotensive subjects. W W Downie, J A Boyle, W R Greig, W W Buchanan, and F P Alepa Br. Heart J. 1969; 31: 21-25. doi:10.1136/hrt.31.1.21 [PDF] [Request Permissions]
	Cardio-auditory syndromes. Cardiac and genetic study of 511 deaf-mute children. A Sánchez Cascos, L Sánchez-Harguindey, and P De Rábago Br. Heart J. 1969; 31: 26-33. doi:10.1136/hrt.31.1.26 [PDF] [Request Permissions]
	Significance of persisten R-ST elevation after acute myocardial infarction. B M Groden and W B James Br. Heart J. 1969; 31: 34-36. doi:10.1136/hrt.31.1.34 [PDF] [Request Permissions]
	Long-term treatment with propranolol in selected cases of Fallot's tetralogy. B O Eriksson, C Thorén, and P Zetterqvist Br. Heart J. 1969; 31: 37-44. doi:10.1136/hrt.31.1.37 [PDF] [Request Permissions]
	Total anomalous pulmonary venous drainage. A clinical and anatomical study of 75 children. R E Carter, M Capriles, and Y Noe Br. Heart J. 1969; 31: 45-51. doi:10.1136/hrt.31.1.45 [PDF] [Request Permissions]
	Haemodynamic studies in high altitude pulmonary oedema. S B Roy, J S Guleria, P K Khanna, S C Manchanda, J N Pande, and P S Subba Br. Heart J. 1969; 31: 52-58. doi:10.1136/hrt.31.1.52 [PDF] [Request Permissions]
	Supravalvular aortic stenosis as part of rubella syndrome, with discussion of pathogenesis. P J Varghese, T Izukawa, and R D Rowe Br. Heart J. 1969; 31: 59-62. doi:10.1136/hrt.31.1.59 [PDF] [Request Permissions]
	Haemodynamic studies after repair of ventricular septal defect. M S Gotsman, W Beck, C N Barnard, and V Schrire Br. Heart J. 1969; 31: 63-71. doi:10.1136/hrt.31.1.63 [PDF] [Request Permissions]
	Gastric mucosal lacerations after cardiac resusciration. P P Anthony and A E Tattersfield Br. Heart J. 1969; 31: 72-75. doi:10.1136/hrt.31.1.72 [PDF] [Request Permissions]
	Congenital heart disease at necropsy in Uganda. A 16-years survey at Mulago Hospital, Kampala. J B Wood, J Serumaga, and M G Lewis Br. Heart J. 1969; 31: 76-79. doi:10.1136/hrt.31.1.76 [PDF] [Request Permissions]
	Haemodynamic effects of nitroglycerin in normal subjects during supine and sitting exercise. B Christensson, I Nordenfelt, H Westling, and T White Br. Heart J. 1969; 31: 80-82. doi:10.1136/hrt.31.1.80 [PDF] [Request Permissions]
	Use of isoprenaline as an antiarrhythmic agent after valve replacement surgery. J F Gunning, M X Shanahan, and H M Windsor Br. Heart J. 1969; 31: 83-86. doi:10.1136/hrt.31.1.83 [PDF] [Request Permissions]
	Cardiac output after direct current conversion of atrial fibrillation. M E Scott and G C Patterson Br. Heart J. 1969; 31: 87-90. doi:10.1136/hrt.31.1.87 [PDF] [Request Permissions]
	Direct current shock and digitalis. A clinical and experimental study. P Szekely, N A Wynne, D T Pearson, G A Batson, and D A Sideris Br. Heart J. 1969; 31: 91-96. doi:10.1136/hrt.31.1.91 [PDF] [Request Permissions]
	Impulse cardiogram in early diagnosis of left ventricular dysfunction in hypertension. P Toutouzas and J Shillingford Br. Heart J. 1969; 31: 97-105. doi:10.1136/hrt.31.1.97 [PDF] [Request Permissions]
	Endocardial pacing: a percutaneous method using the subclavian vein. C W Vellani, G Tildesley, and L G Davies Br. Heart J. 1969; 31: 106-111. doi:10.1136/hrt.31.1.106 [PDF] [Request Permissions]
	Clinical and pharmacological factors associated with pacemaker latency and incomplete pacemaker capture. A J Moss and S Goldstein Br. Heart J. 1969; 31: 112-117. doi:10.1136/hrt.31.1.112 [PDF] [Request Permissions]
	Resting hyperventilation in adults with atrial septal defect. J Ressl, M Kubis, P Lukl, J Vykydal, and J Weinberg Br. Heart J. 1969; 31: 118-121. doi:10.1136/hrt.31.1.118 [PDF] [Request Permissions]
	Early clamping versus stripping of card: comparative study of electrocardiogram in neonatal period. S Z Walsh Br. Heart J. 1969; 31: 122-126. doi:10.1136/hrt.31.1.122 [PDF] [Request Permissions]
	Congenital bicuspid aortic valves associated with coarctation of the aorta in children. R L Tawes, Jr, C L Berry, and E Aberdeen Br. Heart J. 1969; 31: 127-128. doi:10.1136/hrt.31.1.127 [PDF] [Request Permissions]
	Galactose tolerance test of liver function in pulmonary heart disease. A J Thomas and R A Saunders Br. Heart J. 1969; 31: 129-132. doi:10.1136/hrt.31.1.129 [PDF] [Request Permissions]
	Fistula between aorta and left atrium due to bacterial endocarditis. A Ebringer, G Goldstein, and G Sloman Br. Heart J. 1969; 31: 133-135. doi:10.1136/hrt.31.1.133 [PDF] [Request Permissions]
	Arteriovenous fistula involving both coronary arteries and main pulmonary trunk. L Humblet, J Delvigne, H Kulbertus, P Collignon, and H Joris Br. Heart J. 1969; 31: 136-139. doi:10.1136/hrt.31.1.136 [PDF] [Request Permissions]
	Traumatic heart block. B A Sims and J S Geddes Br. Heart J. 1969; 31: 140-142. doi:10.1136/hrt.31.1.140 [PDF] [Request Permissions]