In 2007 he was acquitted of her murder, for lack of conclusive evidence, but sentenced to life in prison on eight other counts of rape and one of rape and murder.
"This year's report shows conclusive evidence of improving stillbirth and neonatal mortality rates, " said Dr Jon Dorling, lead author of the report.
Olaf said it had not found "conclusive evidence of the direct participation of Mr Dalli but did consider that he was aware of these events".
In a statement on 19 October Olaf said its investigation had "found no conclusive evidence of the direct participation of Commissioner Dalli in the operation for requesting money".
While there is no conclusive evidence of chemical weapons at Khan Aasal, U.S. and other officials have not ruled out the possibility that harmful chemicals were emitted as a result of an attack in Syria.
Dr Keith Prowse from the British Lung Foundation said further investigation was needed for more conclusive evidence about the effects of diet and lifestyle.
In April, mission scientists announced Opportunity had found conclusive evidence that a salty sea once lapped the shores of Meridiani.
But given the problems of getting access to a war zone to gain conclusive evidence, finding absolutely definitive evidence may be hard and may take time.
BBC: Syria chemical weapons claims: UK and US tread cautiously
Nevertheless, the evidence from more than 50 years of research is conclusive: for a large majority of fund managers, the selection of stocks is more like rolling dice than like playing poker.
Therefore, the controversy between proponents and opponents of flat-rate taxation is bound to continue at least until more conclusive evidence becomes available.
ECONOMIST: Will more of eastern Europe adopt flat-rate tax regimes?
Some conclusions might have been expected: that there was some evidence - not quite conclusive perhaps, but evidence all the same - that the waiting list target regime really did increase the number of patients treated by English hospitals compared to Welsh ones.
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