Impact of defined clinical population and missing data on temporal trends in HIV viral load estimation within a health care system. - Edelman, EJ; Tate, JP; Fiellin, DA; Brown, ST; Bryant, K; Gandhi, N; Gibert, CL; Goetz, MB; Gordon, KS; Rodriguez‐Barradas, MC; Braithwaite, RS; Rimland, D; et al. (HIV Medicine, 2015)