He was also a physician and a writer on medical subjects.
He also wrote on medical subjects, particularly on the human eye.
He supported himself with drawings of medical subjects for a doctor at a general hospital.
He was, however, a writer on medical and general subjects.
He devoted his later years to the practice of medicine, and also wrote on medical subjects.
He was the author of books and articles on medical subjects.
He wrote a number of pamphlets on medical, social, and political subjects.
He has written extensively on a range of medical and scientific subjects.
The brown rat and house mouse are both used as medical subjects.
She been criticized for her strong views about medical subjects.
