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<p>status,<br/>
# McKeown questioned the effectiveness of public health measures, including sanitary reforms, vaccination and quarantine,<br/>
# The "McKeown thesis" states that <a href="page.php?w=curative_medicine">curative medicine</a> measures played little role in mortality decline, not only prior to the mid-20th century but also until well into the 20th century.Although the McKeown thesis has been heavily disputed, recent studies have confirmed the value of his ideas. His work is pivotal for present day thinking about population growth, birth</p><p>
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