Abstract
References
1.
Sampson
J. A.
(1922 ) Amer. J. Obstet. Gynec , 4 , 451 .
2.
Sampson
J. A.
(1924 ) Surg. Gynec. Obstet ., 38 , 287 .
3.
Sampson
J. A.
(1927 ) Amer. J. Obstet. Gynec , 14 , 422 .
4.
Scott
R. B.
(1944 ) Amer. J. Obstet. Gynec , 47 , 608 .