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References from Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality. Local targets link to admitted publications; unresolved targets remain external evidence.
10.1136/bmj.309.6964.1286
10.1136/bmj.309.6964.1286 · 1994 · External reference
10.1093/ije/dyg119
10.1093/ije/dyg119 · 2003 · External reference
10.1186/1471-2288-4-16 · 2004 · Admitted local publication
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1997 · External reference
10.1016/s0895-4356(03)00110-0
10.1016/s0895-4356(03)00110-0 · 2003 · External reference
10.1002/sim.1191
10.1002/sim.1191 · 2002 · External reference
10.1093/ije/31.1.150
10.1093/ije/31.1.150 · 2002 · External reference
10.1093/ije/31.1.6
10.1093/ije/31.1.6 · 2002 · External reference
10.1002/sim.1291
10.1002/sim.1291 · 2002 · External reference
10.1016/s0140-6736(05)72663-5
10.1016/s0140-6736(05)72663-5 · 2000 · External reference
10.1136/bmj.310.6993.1480
10.1136/bmj.310.6993.1480 · 1995 · External reference
10.1046/j.1365-2923.1998.00214.x
10.1046/j.1365-2923.1998.00214.x · 1998 · External reference
10.1093/ije/31.1.112
10.1093/ije/31.1.112 · 2002 · External reference
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