POP Seminar Series: Yan Li and YoonYoung Choi Published On September 5, 2014 Social Media Share this article Facebook Twitter LinkedIn Seminar Announcement Yan Li “Postoperative Sepsis During Cardiac Artery Bypass Graft Hospitalization: Analysis of a Large, Representative National Sample” and YoonYoung Choi “How Human Papillomavirus Vaccine Initiation and Socio-demographic Factors are Associated Differently With Each Gender of Child” September 25, 2014 at 9:30 am HPNP Building, Room 1101