1. Exercise and pregnancy;Artal;Clin Sports Med,1992
2. Fetal bradycardia induced by maternal exercise;Artal;Lancet,1984
3. American College of Obstetricians and Gynecologists;Home Exercise Programs,1986
4. The effect of occupation on pregnancy and neonatal mortality;Balfour;Public Health,1938
5. Blockade of the 32P phosphate flush of pancreatic beta cells from adult rats who received a low-protein diet during early lactation;Barbosa;Brazilian J Med Biol Res,1993