TY  - RPRT
TI  - PROactive study.
AU  - John S Yudkin
AU  - Nick Freemantle
PY  - 2006
DO  - 10.1016/s0140-6736(06)67913-0
UR  - https://pubmed.ncbi.nlm.nih.gov/16399143/
ID  - 16399143
ER  -