Sentence examples for unknown certain from inspiring English sources

Although function of the MMD protein is unknown, certain studies have shown that macrophage activation promotes cancer metastasis [ 133].

For example, if the exposure timing is unknown, certain activities could be recorded and the biomonitoring measurements evaluated in relation to the specific activities.

While the immunopathogenesis of NTM lung disease remains largely unknown, certain phenotypic and immunologic characteristics of patients with NTM lung disease have been observed.

Although the functional significance of MICA gene diversity is unknown, certain changes in the amino acid sequence of MICA proteins could influence the affinity with its cognate NKG2D receptor [ 23].

Although the exact cause is often unknown, certain triggers, such as stress, thyroid malfunction, perfumes and tobacco smoke, as well as overuse of nasal decongestants, can cause the blood vessels in the nose to expand, producing vasomotor rhinitis.

Asexual reproduction is common in aquatic oligochaetes; indeed, sexual reproduction is virtually unknown in certain naidid species.

To promote universal coverage, the Price plan would also provide tax deductions and credits to all who cannot afford insurance, a proposition whose price tag to the government is unknown but certain to be expensive.

The references to music in his touching memoir of 1998, "After Survival," are mainly to the melancholy songs his mother sang before her disappearance from the Lodz ghetto in Poland to an unknown but certain death.

Such is the case with a group that convenes every week to discuss the meaning behind the philosophical work of Helena Petrovna Blavatsky, a name unknown outside certain circles but who, in her time, was a well-known, and controversial, New Yorker.

"As much as I am coming back to a place I know well, I am going into the unknown a certain degree.

With the death count from the tragedy still unknown, but certain to be grim enough to rank Sept. 11th, 2001 as among the deadliest single days in U.S. history, Bush said the U.S. is committed to a "monumental struggle of good versus evil".