1. Auscultation and two-dimensional, M mode, spectral and colour flow Doppler echocardiographic findings in pony foals from birth to seven weeks of age;Livesey;J Vet Intern Med,1998
2. Cardiac murmurs: congenital heart disease;Marr,2010
3. The foramen ovale of the foetal and neonatal foal;MacDonald;Equine Vet J,1988
4. A morphological study on the obliteration processes of the ductus arteriosus in the horse;Machida;Equine Vet J,1988
5. Persistence of foetal circulatory pathways in a newborn foal;Cottrill;Equine Vet J,1987