Abstract

References
1.
Bevis
D. C. A.
(1953 ), Lancet , ii , 1357 .
2.
Bruckner
J.
(1959 ), Amer. J. clin. Path. , 32 , 513 .
3.
Bruckner
J.
(1961a ), Clin. Chim. Acta , 6 , 370 .
4.
Bruckner
J.
(1961b ), personal communication.
5.
Lathe
G. H.
Ruthven
C. R. J.
(1958 ), J. clin. Path. , 11 , 155 .
6.
Mackay
E. V.
(1961 ), Aust. N.Z.J. Obstet. Gynaec. , 1 , 78 .
7.
Malloy
H. T.
Evelyn
K. A.
(1937 ), J. biol. Chem. , 119 , 481 .
8.
Meites
S.
Hogg
C. K.
(1959 ), Clin. Chem. , 5 , 470 .
9.
Liley
A. W.
(1961 ), Amer. J. Obstet. Gynec. , 82 , 1359 .
10.
Watson
D.
(1960 ), Clin. Chim. Acta , 5 , 613 .
11.
Walker
A. H. C.
(1957 ), Brit. Med. J. , ii , 376 .
