Identifying controlled evaluation studies of road safety interventions: Searching for needles in a haystack
Reinhard Wentz, Ian Roberts, Frances Bunn, Phil Edwards, Irene Kwan, Carol LefebvreVolume:
32
Year:
2001
Language:
english
Pages:
10
DOI:
10.1016/s0022-4375(01)00055-x
File:
PDF, 74 KB
english, 2001