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Start Over Subjects Croup ✖Remove constraint Subjects: Croup Titles An inaugural dissertation on the cynanche trachealis: submitted to the public examination of the faculty of physic, under the authority of the trustees of Columbia College in the state of New-York : William Samuel Johnson, LL. D. president ; for the degree of Doctor of Physic ; on the thirtieth day of April, 1793 ✖Remove constraint Titles: An inaugural dissertation on the cynanche trachealis: submitted to the public examination of the faculty of physic, under the authority of the trustees of Columbia College in the state of New-York : William Samuel Johnson, LL. D. president ; for the degree of Doctor of Physic ; on the thirtieth day of April, 1793 Dates by Range 1750-1799 ✖Remove constraint Dates by Range: 1750-1799

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  • An inaugural dissertation on the cynanche trachealis: submitted to the public examination of the faculty of physic, under the authority of the trustees of Columbia College in the state of New-York : William Samuel Johnson, LL. D. president ; for the degree of Doctor of Physic ; on the thirtieth day of April, 17931