Abstract
References
1.
Anderson
E S
. (1965 ) Brit. wed. J.
ii , 1289 .
2.
Anderson
E S
. (1968 ) Brit. med. J.
iii , 333 .
3.
Andeo
E S
Lewis
MJ
. (1965 ) Nature (Lond.)
206 , 579 .
4.
McAllister
T A
Donald
I
. (1970 ) In: Antimicrobial Therapy . Ed.
Kagan
B M
. Philadelphia; p 175 .