BarkerLlewellys F.SladenFrank J.: The clinical analysis of some disturbances of the autonomic nervous system, with comments upon the socalled vagotonic and sympatheticotonic states. Trans. Assoc. of Am. Phys., 1912, p. 471.
2.
EppingerHansHessLeo: Vagotonia. A clinical study in vegetative neurology. Authorized translation by Drs. Walter Max Kraus and Smith Ely Jelliffe. The Nervous and Mental Disease Publishing Co., New York, 1915.
3.
BlockFrank Benton: Observations on the treatment of dysmenorrhea. American Journal of Obstetrics and Diseases of Women and Children, 1915.
4.
HopkinsArthur H.: A clinical study of vagotonia. Arch. of Int. Med., Vol. 12, 1913, p. 557.
5.
EmilMayer: The intranasal treatment of dysmenorrhea. Jour. A. M. A., 1914, Vol. 62, p. 6.
6.
BrettauerJoseph: Further report of cases of dysmenorrhea relieved by nasal treatment. Surg., Gyn. and Obs., 1913, Vol. 17, p. 381.
7.
SluderGreenfield: The sympathetic syndrome of sphenopalatine or nasal ganglion neurosis, together with a consideration of the neuralgic syndrome, and their treatment. Trans. Am. Laryngological Assoc., 1915, p. 243.