Variation in the receipt of human papilloma virus co-testing for cervical screening: Individual, provider, facility and healthcare system characteristics

Jennifer S. Haas, David Cheng, Liyang Yu, Steven J. Atlas, Cheryl Clark, Sarah Feldman, Michelle I. Silver, Aruna Kamineni, Jessica Chubak, Gaia Pocobelli, Jasmin A. Tiro, Sarah C. Kobrin