1. Effects of acute and prolonged exposure to heat on regional blood flows in pregnant sheep;Alexander;J. Dev. Phys.,1987
2. The Beagle as an Experimental Dog. Iowa State University Press, Ames, Iowa. Avery, M. E. and Mead, J. (1959) Surface properties in relation to atelectasis and hyaline membrane disease;Anderson;Am. J. Dis. Child.,1970
3. The distribution of blood between the foetus and placenta in sheep;Barcroft;J. Physiol.,1939