Answers are grounded in this paper and cite their sources.
Journal Article Headache and Other Head Pain Get access Headache and Other Head Pain. By Harold G. Wolff, M.D., Professor of Medicine (Neurology) and Associate Professor of Psychiatry, Cornell University Medical College; Attending Physician, The New York, Hospital, New York. Cloth. Price, $12. Pp. 664, with 154 illustrations. Oxford University Press, 114 Fifth Avenue, New York 11, 1948. Physical Therapy, Volume 29, Issue 4, April 1949, Page 190, https://doi.org/10.1093/ptj/29.4.190c Published: 01 April 1949
No takes yet. Share an insight, caveat, or question.
A 1949 study studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: