Life cycle of television public service announcements disseminated through donated airtime

por Cooper, Crystale Purvis, Gelb, Cynthia A., Chu, Jennifer
Publicado 2015

Intended care seeking for ovarian cancer symptoms among U.S. women

por Cooper, Crystale Purvis, Gelb, Cynthia A., Trivers, Katrina F., Stewart, Sherri L.
Publicado 2016

Cancer Internet Search Activity on a Major Search Engine, United States 2001-2003

por Cooper, Crystale Purvis, Mallon, Kenneth P, Leadbetter, Steven, Pollack, Lori A, Peipins, Lucy A
Publicado 2005