Until now, however, proof has been lacking.
Although polyoma viruses have been suspected of causing human cancers, conclusive proof has been lacking.
The proof has been underscored time and again during the nearly four-month-long qualifying series.
Her proof has been incisive and abundant, and this week she was rewarded with a telling victory.
The Annals considered publishing the paper with a disclaimer of sorts: This proof has been mostly, but not entirely, checked.
Mr. Toledo, 58, has energetically denied all of the allegations, and no hard proof has been presented against him.
"There is no doubt Iran is involved," said the official, though no proof has been offered that Iran has had anything to do with the political unrest.
Later reports of other attacks often included allegations that the break-ins were orchestrated by the Chinese, although no proof has been produced.
No proof has been offered and the allegations are denied.A range of civil society groups, NGOs and activists are nowhere near the far-right.
Later reports of other electric grid attacks have often included allegations that the break-ins were orchestrated by the Chinese, although no proof has been produced.
Although this theory of age and risk makes sense (the risks young animals take are mostly connected with attracting and retaining mates, and are thus worthwhile), proof has been elusive.
