Floyd C Pennington

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1. Purified liver nuclei from adult rats separate into two main zones when centrifuged in the slow-speed zonal rotor. One zone contains diploid nuclei, the other tetraploid. 2. The effect of age on the pattern of rat liver ploidy was examined. Tetraploid nuclei are virtually absent from young animals. They increase in proportion steadily with age. Partial(More)
Workplace learning is becoming increasingly important in all fields. While workplace learning in medicine, also called practice-based learning and improvement (PBLI) is not new, understanding how it works and how it fits with an individual physician's continuing professional development is new. In this article, we describe seven issues associated with PBLI(More)
This study tested hypotheses about the consistency of specified outcomes with strength of program treatment indexed by time spent in a given activity in the Systemic Lupus Erythematosus Self-Help (SLESH) course. Participants had significant increases in enabling skills and in use of relaxation and exercise activities. Participants also had significantly(More)