| Twentieth
Century Advances |
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| • | Results of
immigrant conditions |
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| – | 1906 Pure Food
and Drug Act |
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| – | 1910 Workman’s
compensation |
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| • | 1902 Rochester
City Hospital School for |
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| Nurses |
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| • | 1918 Johns
Hopkins School of Public |
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| Health |
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| • | Prohibition |
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