etiologically in a sentence

1. Etiologically significant is the struggle of parents among themselves, and not the destruction of the family.

2. This cancer is etiologically strongly related to cigarette smoking, so the correlation with electrification is surprising.

3. Such a stage of the underlying disease, when a qualitatively and often etiologically new pathological process develops (OK K. Khmelnitsky, 1971).

4. Vaccine efficacy provides a measure of proportionate disease reduction, is usually limited to etiologically confirmed disease, and focuses on the direct protection of the vaccinated individual.