Medicinal letters : In two parts. Part I. Contains letters on miscellaneous subjects, for Removing various Disorders from Human Bodies, and for the Preservation of Health. Part II. Contains letters on the most frequent and dangerous diseases incident to infants and children, men and women: With Directions for the Management of the Sick, and making Medicines for the Cure of the several Diseases. Intended chiefly for the Benefit of those Poor Families which can neither have the Advice of a Physician, nor the Attendance of an Apothecary. The third edition. By Dr. Lobb, Member of the Royal College of Physicians in London