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. 2005 Dec;95(12):2144–2154. doi: 10.2105/AJPH.2004.048397

FIGURE 4—

FIGURE 4—

In an era of intense resistance to encroachment by the American Medical Association on the private practitioner’s domain, the US Public Health Service attempted to portray its role as one of friendly guide, rather than usurper of practice. Illustration from 1940 US Public Health Service brochure.