Poison detected, or, Frightful truths, and alarming to the British metropolis [microform] : in a treatise on bread, and the abuses practised in making that food as occasioning the decrease and degeneracy of the people, destroying infants, and producing innumerable diseases : shewing also, the virtues of good bread, and the manner of making it : to which is added, a charge to the confederacy of bakers, corn-dealers, farmers, and millers, concerning short weight, adulterations, and artificial scarcities, with easy methods to prevent all such abuses / by my friend, a physician.