A collection of clinical trial registries appearing in the World Health Organization's International Clinical Trials Registry Platform (ICTRP)
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anzctr
chictr
clinicaltrials
ctis
ctri
drks
euclinicaltrials
hc.trial
irct
isrctn
itmctr
jrct
kcris
lbctr
pactr
phrr
rebec
repec
rpcec
slctr
snctp
tctr
uminctr