Headache and head pain : diagnosis and treatment - Ryan, Robert E. (Robert Emmett), 1917.; Ryan, Robert E. (Robert Emmett), 1946. (St. Louis, Mo. : C. V. Mosby, 1978)
Earlier ed. by R. E. Ryan published under title: Headache, diagnosis and treatment.
Keywords: Headache; Headache -- diagnosis; Headache -- therapy