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Start Over You searched for: Subjects Headache -- drug therapy Remove constraint Subjects: Headache -- drug therapy Subjects Nonprescription Drugs Remove constraint Subjects: Nonprescription Drugs Copyright Public domain Remove constraint Copyright: Public domain Dates by Range 1900-1949 Remove constraint Dates by Range: 1900-1949 Publication Year 1800 to 1899 Remove constraint Publication Year: <span class="from" data-blrl-begin="1800">1800</span> to <span class="to" data-blrl-end="1899">1899</span>

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