1. Birthweight of lambs: influences and consequences;Alexander,1974
2. Progesterone and placental development in the sheep;Alexander;J Endocrinol,1966
3. Development of mesodermal organs in vertebrates;Ballinsky,1981
4. Factors controlling placental and fetal growth and their effects on future production;Bell,1984
5. A system for measurement of oviductal mortality and contractility and chronic changes in luminal diameter;Blair,1976