1. Sex and America's teenagers,1994
2. No easy answers: Research findings on programs to reduce teen pregnancy;Kirby,1997
3. Pregnant teenagers' reasons for seeking or delaying prenatal care;Lee;Clinical Nursing Research,1995
4. Fact sheet: Facts you should know about teenage pregnancy,1992
5. Kids having kids: A Robin Hood Foundation special report on the costs of adolescent child‐bearing;Maynard,1996