A short discouerie of the vnobserued dangers of seuerall sorts of ignorant and vnconsiderate practisers of physicke in England profitable not onely for the deceiued multitude, and easie for their meane capacities, but raising reformed and more aduised thoughts in the best vnderstandings: with direction for the safest election of a physition in necessitie: by Iohn Cotta of Northampton Doctor in Physicke.