Count me in: using a patient portal to minimize implicit bias in clinical research recruitment. - Vaishnavi Kannan; Kathleen E. Wilkinson; Mereeja Varghese; Sarah Lynch-Medick; DuWayne L. Willett; Teresa Bosler; Ling Chu; Samantha I Gates; M. E. Blair Holbein; Mallory M. Willett; Sharon C. Reimold; Robert D. Toto (J. Am. Medical Informatics Assoc., 2019)