Two good reasons: women’s and men’s perspectives on dual contraceptive use

Bằng Woodsong, Cynthia, Koo, Helen P.
Được phát hành 1999

Mothers, fathers, sons, and daughters: gender differences in factors associated with parent-child communication about sexual topics

Bằng Koo Helen P, Wilson Ellen K
Được phát hành 2010-12-01

Mothers, fathers, sons, and daughters: gender differences in factors associated with parent-child communication about sexual topics

Bằng Wilson, Ellen K, Koo, Helen P
Được phát hành 2010

The Relationship Context: Its Effects on Low-Income Women’s Desire for a Baby

Bằng Wilson, Ellen K., Koo, Helen P.
Được phát hành 2006

Associations Between Low-Income Women's Relationship Characteristics and Their Contraceptive Use

Bằng Wilson, Ellen K., Koo, Helen P.
Được phát hành 2008

The Multistate Life Table Method: An Application to Contraceptive Switching Behavior

Bằng KUO, TZY-MEY, SUCHINDRAN, C. M., KOO, HELEN P.
Được phát hành 2008

Relationships of Pubertal Development Among Early Adolescents to Sexual and Nonsexual Risk Behaviors and Caregivers' Parenting Behaviors

Bằng Koo, Helen P., Rose, Allison, Bhaskar, Brinda, Walker, Leslie R.
Được phát hành 2011

Parents’ views on sexual debut among pre-teen children in Washington, DC

Bằng Walker, Leslie R., Rose, Allison, Squire, Claudia, Koo, Helen P.
Được phát hành 2008

Context of Acceptability of Topical Microbicides: Sexual Relationships

Bằng Koo, Helen P., Woodsong, Cynthia, Dalberth, Barbara T., Viswanathan, Meera, Simons-Rudolph, Ashley
Được phát hành 2005

Evaluation of a randomized intervention to delay sexual initiation among fifth-graders followed through the sixth grade

Bằng Koo, Helen P., Rose, Allison, El-Khorazaty, M. Nabil, Yao, Qing, Jenkins, Renee R., Anderson, Karen M., Davis, Maurice, Walker, Leslie R.
Được phát hành 2011