Assertion: formaldehyde's effect | /r/HasProperty | due
Facets:
value: mainly
type: DEGREE
value: according to merk
type: OTHER
Source sentences:
text: But as this effect was mainly due to a strong increase in small colony mutants the authors conclude that formaldehyde mainly causes mutations by induction of chromosomal aberrations.
text: According to Merk and Speit (1998) this effect is mainly due to reduced cell survival and not to increased occurrence of mutant colonies.