Abstract
References
1.
Alston
H.
Brit. Med. Journ. , 1911 , i , p. 360 .
2.
Andersson
. Arch. f. Anat. u. Phys. (Anat. Abth.)
1894 , p. 177 .
3.
Beebe
S. P.
Journ. Amer. Med. Assoc. Chicago , 1906 , xlvii , p. 661 .
4.
MacCallum
. Med. News. New York , 1903 , lxxxiii , p. 820 .
5.
Rogers
J.
Journ. Amer. Med. Assoc. , 1906 , xlvii , p. 655 .
6.
Stradiotti
. Brit. Med. Journ. , 1907 , i (Epitome), p. 95 .