Abstract

References
1.
Beaman
D R
Nishiyama
R H
Penner
J A
, (1969 ) Blood
34 , 401
2.
Clarke
J A
Salsbury
A J
Willoughby
D A
, (1970 ) Nature (London)
227 , 69
3.
Clarke
J A
Salsbury
A J
Willoughby
D A
, (1971 ) Journal of Pathology
104 , 115
4.
Robertson
A J
, (1968 ) Physics in Medicine and Biology
13 , 505
