Abstract
References
1.
Gjorup
P A
Gjorup
L
. (1964 ) Dan. med. Bull.
11 , 50 .
2.
Gray
S W
Romaíne
C B
Skandalakis
J E
. (1964 ) Surg. Gynec. Obstet.
118 , 373 .
3.
Klippel
M
Feil
A
. (1912 ) Bull. Soc. anat. (Paris)
87 , 185 .