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References from Choosing a control intervention for a randomised clinical trial. Local targets link to admitted publications; unresolved targets remain external evidence.
Unresolved reference
2001 · External reference
10.1056/nejm198707163170304
10.1056/nejm198707163170304 · 1987 · External reference
10.1136/bmj.321.7263.756
10.1136/bmj.321.7263.756 · 2000 · External reference
10.1007/s11912-001-0024-5
10.1007/s11912-001-0024-5 · 2001 · External reference
10.1001/jama.283.20.2701
10.1001/jama.283.20.2701 · 2000 · External reference
10.1016/s0140-6736(00)04337-3
10.1016/s0140-6736(00)04337-3 · 2001 · External reference
10.1001/jama.286.13.1577
10.1001/jama.286.13.1577 · 2001 · External reference
10.1111/j.1748-720x.2000.tb00686.x
10.1111/j.1748-720x.2000.tb00686.x · 2000 · External reference
10.1136/jme.19.4.211
10.1136/jme.19.4.211 · 1993 · External reference
10.1017/s0266462300008709
10.1017/s0266462300008709 · 1995 · External reference
Unresolved reference
2002 · External reference
10.1016/s0140-6736(01)06686-7
10.1016/s0140-6736(01)06686-7 · 2001 · External reference
10.1002/9780470693926.ch24
10.1002/9780470693926.ch24 · 2001 · External reference
10.1016/0895-4356(94)00106-z
10.1016/0895-4356(94)00106-z · 1995 · External reference
10.1056/nejm199207233270406
10.1056/nejm199207233270406 · 1992 · External reference
10.1186/1471-2407-2-23
10.1186/1471-2407-2-23 · 2002 · External reference
10.1056/nejm200005043421801
10.1056/nejm200005043421801 · 2000 · External reference
10.1164/rccm.200208-956oc
10.1164/rccm.200208-956oc · 2002 · External reference
10.1164/ajrccm.166.11.340
10.1164/ajrccm.166.11.340 · 2002 · External reference
10.1016/s0883-9441(96)90015-5
10.1016/s0883-9441(96)90015-5 · 1996 · External reference
Unresolved reference
1998 · External reference
10.1136/bmj.308.6921.111
10.1136/bmj.308.6921.111 · 1994 · External reference
10.1002/sim.694
10.1002/sim.694 · 2001 · External reference
10.1016/s0140-6736(01)05558-1
10.1016/s0140-6736(01)05558-1 · 2001 · External reference
10.1136/jme.17.1.30
10.1136/jme.17.1.30 · 1991 · External reference
Unresolved reference
2001 · External reference
10.1016/s0140-6736(02)09613-7
10.1016/s0140-6736(02)09613-7 · 2002 · External reference
10.1002/sim.4780080408
10.1002/sim.4780080408 · 1989 · External reference
10.1126/science.333585
10.1126/science.333585 · 1977 · External reference
10.1016/s0936-6555(05)80448-0
10.1016/s0936-6555(05)80448-0 · 1997 · External reference
10.1016/s0140-6736(00)02605-2
10.1016/s0140-6736(00)02605-2 · 2000 · External reference