John McKenzie: a Carolina herb doctor of the early 19th century.
Waring
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JI
D049672:History, 19th Century; D006705:Homeopathy / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D008519:Medicine, Traditional / Q000191:economics / Q000266:history / Q000523:psychology; D010820:Physicians / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence / Q000523:psychology; D010821:Physicians, Family / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence / Q000523:psychology; D010946:Plants, Medicinal; D011364:Professional Practice / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D024382:Professional Role / Q000266:history / Q000523:psychology; D011639:Public Opinion / Q000266:history; D011640:Public Policy / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D013022:South Carolina / Q000208:ethnology; D013219:State Government; D013812:Therapeutics / Q000191:economics / Q000266:history / Q000523:psychology