From Wikipedia, the free encyclopedia
Increase in number of Cochrane reviews supporting Wikipedia's medical content over time
Change in number of referrals to Cochrane over time
LANG
2009(end)
2010(end)
2011(end)
2012(end)
2013(end)
Total
2717
3785
4589
6071
7290
en
1256
1572
1853
2133
2547
it
94
135
155
268
390
fr
141
169
217
317
367
de
232
288
330
345
340
es
160
202
211
253
290
fa
1
87
90
117
199
no
33
96
112
186
175
hi
0
91
108
127
169
pt
36
36
53
138
165
ar
92
132
124
129
163
ru
34
70
77
133
149
pl
100
104
148
151
142
hr
4
4
4
50
133
ca
56
102
119
136
129
hu
8
23
28
79
129
ro
7
7
10
54
124
el
4
6
29
99
112
sv
50
64
82
102
91
ja
30
33
54
64
90
zh
17
28
29
53
88
fi
79
80
152
156
87
nl
56
60
55
67
83
sh
5
14
17
32
82
sr
4
28
39
76
77
simple
10
13
15
70
70
bg
2
2
14
71
65
ta
22
51
52
54
54
da
14
29
52
66
52
id
3
5
8
24
47
vi
9
13
18
25
43
sl
7
14
15
19
43
he
19
20
45
46
42
cs
14
21
24
39
40
uk
1
3
11
18
39
sw
1
22
22
26
39
th
12
19
19
19
36
gl
0
0
9
13
35
tl
1
1
7
31
34
kn
13
23
34
34
34
mk
1
2
2
32
32
or
0
0
0
5
25
ms
19
19
22
24
24
te
2
14
22
22
22
ml
3
11
17
17
20
tr
9
8
8
14
18
hy
0
0
1
5
18
et
0
0
1
17
17
bs
4
14
14
14
14
ko
3
6
7
13
14
ast
0
0
0
12
12
si
16
6
10
10
10
su
9
9
9
9
9
gu
2
5
7
8
8
new
8
8
8
8
8
bn
0
0
0
6
6
eu
5
5
5
5
5
be
0
0
1
4
5
jv
0
0
0
3
5
lt
3
3
3
4
4
as
0
0
0
3
3
lv
0
0
1
1
3
sk
1
1
2
2
2
arz
2
2
2
2
2
mn
0
0
0
2
2
ne
0
1
1
2
2
la
2
2
2
2
2
nds
0
1
1
1
1
scn
1
1
1
1
1
my
0
0
1
1
1
zh-yue
0
0
0
0
1
xh
0
0
0
0
0
wuu
0
0
0
0
0
fy
0
0
0
0
0
gd
0
0
0
0
0
ga
0
0
0
0
0
fj
0
0
0
0
0
bjn
0
0
0
0
0
map-bms
0
0
0
0
0
glk
0
0
0
0
0
fo
0
0
0
0
0
udm
0
0
0
0
0
wo
0
0
0
0
0
zh-classical
0
0
0
0
0
ha
0
0
0
0
0
gn
0
0
0
0
0
gv
0
0
0
0
0
wa
0
0
0
0
0
dv
0
0
0
0
0
rue
0
0
0
0
0
mrj
0
0
0
0
0
vep
0
0
0
0
0
pms
0
0
0
0
0
zea
0
0
0
0
0
vo
0
0
0
0
0
uz
0
0
0
0
0
roa-rup
0
0
0
0
0
ve
0
0
0
0
0
fur
0
0
0
0
0
lmo
0
0
0
0
0
ug
0
0
0
0
0
ur
0
0
0
0
0
szl
0
0
0
0
0
tt
0
0
0
0
0
pnb
0
0
0
0
0
eo
0
0
0
0
0
vec
0
0
0
0
0
to
0
0
0
0
0
tn
0
0
0
0
0
hak
0
0
0
0
0
tg
0
0
0
0
0
haw
0
0
0
0
0
tk
0
0
0
0
0
br
0
0
0
0
0
ti
0
0
0
0
0
bo
0
0
0
0
0
bat-smg
0
0
0
0
0
bm
0
0
0
0
0
bh
0
0
0
0
0
pdc
0
0
0
0
0
sn
0
0
0
0
0
ang
0
0
0
0
0
sm
0
0
0
0
0
so
0
0
0
0
0
mdf
0
0
0
0
0
sq
0
0
0
0
0
pcd
0
0
0
0
0
cy
0
0
0
0
0
sc
0
0
0
0
0
se
0
0
0
0
0
xmf
0
0
0
0
0
cv
0
0
0
0
0
cu
0
0
0
0
0
co
0
0
0
0
0
stq
0
0
0
0
0
sa
0
0
0
0
0
jbo
0
0
0
0
0
ch
0
0
0
0
0
ce
0
0
0
0
0
sco
0
0
0
0
0
got
0
0
0
0
0
rw
0
0
0
0
0
ltg
0
0
0
0
0
rn
0
0
0
0
0
nap
0
0
0
0
0
hsb
0
0
0
0
0
nah
0
0
0
0
0
lad
0
0
0
0
0
nrm
0
0
0
0
0
als
0
0
0
0
0
bpy
0
0
0
0
0
qu
0
0
0
0
0
crh
0
0
0
0
0
az
0
0
0
0
0
ay
0
0
0
0
0
tpi
0
0
0
0
0
ba
0
0
0
0
0
pag
0
0
0
0
0
lbe
0
0
0
0
0
pap
0
0
0
0
0
av
0
0
0
0
0
pam
0
0
0
0
0
frp
0
0
0
0
0
am
0
0
0
0
0
frr
0
0
0
0
0
an
0
0
0
0
0
csb
0
0
0
0
0
dsb
0
0
0
0
0
ab
0
0
0
0
0
af
0
0
0
0
0
ps
0
0
0
2
0
mhr
0
0
0
0
0
krc
0
0
0
0
0
nn
0
0
0
0
0
sah
0
0
0
0
0
ny
0
0
0
0
0
nv
0
0
0
0
0
kbd
0
0
0
0
0
oc
0
0
0
0
0
arc
0
0
0
0
0
om
0
0
0
0
0
tyv
0
0
0
0
0
fiu-vro
0
0
0
0
0
os
0
0
0
0
0
kab
0
0
0
0
0
kaa
0
0
0
0
0
cdo
0
0
0
0
0
pa
0
0
0
0
0
nov
0
0
0
0
0
bar
0
0
0
0
0
gan
0
0
0
0
0
eml
0
0
0
0
0
lo
0
0
0
0
0
ln
0
0
0
0
0
srn
0
0
0
0
0
mg
0
0
0
0
0
koi
0
0
0
0
0
ksh
0
0
0
0
0
lez
0
0
0
0
0
ceb
0
0
0
0
0
pfl
0
0
0
0
0
mi
0
0
0
0
0
min
0
0
0
0
0
bcl
0
0
0
0
0
mr
0
0
0
0
0
mt
0
0
0
0
0
na
0
0
0
0
0
nb
0
0
0
0
0
vls
0
0
0
0
0
hif
0
0
0
0
0
myv
0
0
0
0
0
ext
0
0
0
0
0
zh-min-nan
0
0
0
0
0
ki
0
0
0
0
0
kg
0
0
0
0
0
ka
0
0
0
0
0
kw
0
0
0
0
0
be-x-old
0
0
0
0
0
ky
0
0
0
0
0
ks
0
0
0
0
0
ku
0
0
0
0
0
chy
0
0
0
0
0
kv
0
0
0
0
0
kk
0
0
0
0
0
mzn
0
0
0
0
0
kl
0
0
0
0
0
km
0
0
0
0
0
li
0
0
0
0
0
nds-nl
0
0
0
0
0
tum
0
0
0
0
0
lb
0
0
0
0
0
tet
0
0
0
0
0
cbk-zam
0
0
0
0
0
ht
0
0
0
0
0
xal
0
0
0
0
0
mwl
0
0
0
0
0
za
0
0
0
0
0
war
0
0
0
0
0
ia
0
0
0
0
0
diq
0
0
0
0
0
ig
0
0
0
0
0
zu
0
0
0
0
0
ie
0
0
0
0
0
bxr
0
0
0
0
0
ilo
0
0
0
0
0
is
0
0
0
0
0
iu
0
0
0
0
0
roa-tara
0
0
0
0
0
ik
0
0
0
0
0
ace
0
0
0
0
0
ckb
0
0
0
0
0
io
0
0
0
0
0
pih
0
0
0
0
0
yo
0
0
0
0
0
lij
0
0
0
0
0
yi
0
0
0
0
0
