ATP8B1 and Cholestatic liver disease: Using the Genes & Health genomics (whole exome sequencing (WES)) and data linkage to electronic health records (EHR)21, this study investigated rare variation in a unique British Bangladeshi and Pakistani cohort around 5 candidate loci (ABCB4, ABCB11, ATP8B1, NR1H4, and TJP2) implicated in cholestatic liver disease.