TY  - JOUR
T1  - Trials must enrol people with multiple problems
A1  - Witham,Miles D.
AU  - Witham,Miles D.
PY  - 2012/3/21
Y1  - 2012/3/21
U2  - 10.1136/bmj.e2137
DO  - 10.1136/bmj.e2137
M1  - Letter
JO  - BMJ
JF  - BMJ
SN  - 0959-535X
VL  - 344
SP  - -
ER  -