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Comment
. 1994 Jan;84(1):123.
doi: 10.2105/ajph.84.1.123.

Primary care and emergency department overcrowding. 1. Achieving proportionate representation in samples

R Ullman, W C Stratmann
Comment

Primary care and emergency department overcrowding. 1. Achieving proportionate representation in samples

R Ullman et al. Am J Public Health. 1994 Jan.
No abstract available

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