Abstract
References
1.
Baker
A L
Marshall
M K
Hubert
J W
McGowan
J A
. (1971 ) New England Journal of Medicine
284 , 1422 .
2.
Hahn
R D
. (1943 ) American Journal of Syphilis, Gonorrhea and Venereal Diseases
27 , 529 .
3.
Lee
R V
Thornton
G F
Conn
H O
. (1971 ) New England Journal of Medicine
284 , 1423 .
4.
Parker
J D J
. (1972 ) British Journal of Venereal Diseases
48 , 32 .