Outcomes after observation stays among older adult Medicare beneficiaries in the USA: retrospective cohort study
Dharmarajan K, Qin L, Bierlein M, Choi JES, Lin Z, Desai NR, Spatz ES, Krumholz HM, Venkatesh AK. Outcomes after observation stays among older adult Medicare beneficiaries in the USA: retrospective cohort study. The BMJ 2017, 357: j2616. PMID: 28634181, PMCID: PMC5476173, DOI: 10.1136/bmj.j2616.Peer-Reviewed Original Research