RT Journal Article SR Electronic T1 International comparisons: they do help and are essential for avoiding type III error JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 270 OP 271 DO 10.1136/ip.7.4.270 VO 7 IS 4 A1 Tsung-Hsueh Lu YR 2001 UL http://injuryprevention.bmj.com/content/7/4/270.abstract AB