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OBJECTIVE To understand factors leading to all-cause 30-day readmissions in a community hospital population. RESEARCH DESIGN Structured case series of 537 readmissions using chart reviews, interviews with treating physicians, patients and family caregivers, and overall case assessment by a nurse-physician team. SETTING Eighteen Kaiser Permanente(More)
BACKGROUND Identification of potentially preventable readmissions is typically accomplished through manual review or automated classification. Little is known about the concordance of these methods. METHODS We manually reviewed 459 30-day, all-cause readmissions at 18 Kaiser Permanente Northern California hospitals, determining potential preventability(More)
The procedure for obtaining integrable open spin chain Hamiltonians via reflection matrices is explicitly carried out for some three-state vertex models. We have considered the 19-vertex models of Zamolodchikov-Fateev and Izergin-Korepin, and the Z2-graded 19-vertex models with sl(2|1) and osp(1|2) invariances. In each case the eigenspectrum is determined(More)
The buccal space, with its fat pad, is a valuable, overlooked target in facial rejuvenation procedures. The authors identified a specific group of patients who have normal or prominent malar projection in the presence of atrophy of the buccal fat pad, with or without prominent gonial angles. Eight of 24 prospectively studied patients (Biomedical Research(More)
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