An essay on epidemic diseases [electronic resource] : and More particularly on the Endemial Epidemics of the City of Cork, such as Fevers and Small-Pox; but most professedly on the Endemial Epidemic Fever of the Year MDCCXXXI, with an Attempt to Account for the general and special Causes producing the same. Also, The Method of Cure found most successful. In Two Parts. By Joseph Rogers, M. D. To which is added, by Way of Appendix. A Course of Statical Experiments, and Observations made by a Curious Person during a Twelve-Month. Ornari res ipsa vetat, contenta doceri. Hor. ... puto Medicinam esse debere; instrui, vero, ab evidentibus causis; obscuris omnibus non a cogitatione artificis, sed ab ipsa arte rejectis. Cels. Praef. Petat autem consilium Medicus, non a rebus latentibus. (istae enim dubiae et incertae sunt) sed ab his qui Explorari possunt, i. e. evidentibus causis. Cels.