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Observations on Doctor Mackrill's History of the yellow fever, &c
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Observations on Dr. Rush's Enquiry into the origin of the late epidemic fever in Philadelphia
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Observations on a change of climate in pulmonary consumption: read before the Columbian Institute in 1826, and published in the Medical and surgical journal : with additional remarks on the Red Sulphur Springs of Virginia
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Observations on a letter from Dr. N. Chapman, of Philadelphia to Dr. W.B. Tyler, of Frederick (MD.) on the subject of cholera: as appearing in Philadelphia, August, 1832
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Observations on abortion, with an account of the means, both medicinal and mechanical, employed to produce that effect, together with advice to females
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Observations on abortion: containing an account of the manner in which it takes place, the causes which produce it, and the method of preventing or treating it
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Observations on animal electricity: in explanation of the metallic operation of Doctor Perkins
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Observations on apparent death, from suffocation, by hanging or drowning: choke damp, produced by inhaling carbonic acid, or some other irrespirable exhalation, by a stroke of lightning or electricity, and by exposure to extreme cold : with directions for using the resuscitating apparatus, invented by the author, and general instructions for the recovery of persons from suspended animation
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Observations on certain parts of the animal oeconomy: inclusive of several papers from the Philosophical transactions, etc
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Observations on cholera as it appeared at Port Glasgow during the months of July and August, 1831: illustrated by numerous cases
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