1. Exercise during pregnancy and the postnatal period: American College of Obstetrics and Gynecology Home Exercise Program;American College of Obstetrics and Gynecology,1985
2. Physical activity, physical fitness and hypertension: Position stand;American College of Sports Medicine;Med Sci Sports Exerc,1993
3. Exercise and pregnancy;Artal;Clin Sports Med,1992
4. Exercise in Pregnancy;Artal,1989
5. Physical exercise and reduced risk of breast cancer in young women;Bernstein;J Natl Cancer Inst,1994