Celsus, a layman, provides in "On Medicine" more information about the condition of medical science up to his own time (probably first century CE) than any other author. Book I is on Greek schools of medicine and dietetics; Book II on prognosis, diagnosis
Celsus, a layman, provides in "On Medicine" more information about the condition of medical science up to his own time (probably first century CE) than any other author. Book I is on Greek schools of medicine and dietetics; Book II on prognosis, diagnosis, and general therapeutics; Book III on internal ailments; Book IV on local bodily diseases.