part i

. (1900); R. Virchow, "Uber Cretinismus," _Wurzburger Verhand._; Hector Mackenzie, "Organotherapy," _Textbook of Pharmacology and Therapeutics_ (1901); Weygandt, _Der heutige Stand der Lehre vom Kretinismus_ (Halle, 1903); Hector Mackenzie, "Cretinism," Allbutt & Rolleston's _System of Medicine_,