Although "Wells" has a plural form, it refers to the principal source, the chalybeate spring in the Pantiles (where the waters were taken).
The cells of this tissue, although able to make most apoproteins, are the principal source of apoB (the B-48 form) and apoA-I.
These observations suggest that nbs1-2 is unable to repair DSBs formed during replication and that these DSBs are the only, or the principal, source of DSBs used for meiotic crossovers.
The principal source for comparing charities is an arcane document called the Form 990, which all but the smallest charities have filed annually with the Internal Revenue Service since 1942.
The principal source of his misery is his own side.
Bastnasite, a fluorocarbonate, is the principal source of rare earths.
During the Sarkozy years, the principal source of anxiety was immigration — in particular, Muslim immigration.
The North Sea has been the principal source of airlift weather trouble.
He also wants Iraq to secure control of the principal source of Arab wealth: oil.
But the principal source of threats against her life was linked to Agua Zarca.
