Abstract

References
1.
Alexander
F W
Clayton
B E
Delves
H T
. (1974 ) Quarterly Journal of Medicine
43 , 89 .
2.
Delves
H T
. (1976 ) Clinica chimica acta (in press).
3.
Delves
H T
Shepherd
G
Vinter
P
. (1971 ) Analyst
96 , 260 .
4.
Kawaguchi
H
Auld
D S
. (1975 ) Clinical Chemistry
21 , 591 .
5.
Masironi
S
. (1969 ) Bulletin of the World Health Organization
40 , 305 .
6.
Sharrett
A R
Feinleib
M
. (1975 ) Preventive Medicine
4 , 20 .
7.
Walsh
A
. (1955 ) Spectrochimica Acta
7 , 108 .
8.
Wester
P O
. (1971 ) Acta medica Scandinavica
190 , 155 .
