Title: Poison in small measure
Subtitle: Dr. Christopherson and the cure for bilharzia
Subjects: Schistosomiasis, Physicians, Biography, History, Drug therapy, History, 20th Century, Physicians, biography, History, modern, 20th century, Sudan, social conditions, Great britain, biography, Africa, biography
Places: Sudan, England
People: John Brian Christopherson (1868-1955)
Time periods: 20th century, 20th century..