A friend to the sick, or, The honest Englishman's preservation : shewing the causes, symptoms, and cures of the most occult and dangerous diseases which affect the body of man : with a particular discourse of the dropsie, scurvy, and yellow jaundice, and the most absolute way of cure : whereunto is added a true relation of some of the most remarkable cures affected by the author's most famous cathartique and diueretique pills.