Identifying Datasets for Cross-Study Analysis in dbGaP using PhenX oleh Huaqin Pan, Vesselina Bakalov, Lisa Cox, Michelle L. Engle, Stephen W. Erickson, Michael Feolo, Yuelong Guo, Wayne Huggins, Stephen Hwang, Masato Kimura, Michelle Krzyzanowski, Josh Levy, Michael Phillips, Ying Qin, David Williams, Erin M. Ramos, Carol M. Hamilton