Sentence examples similar to limitations were ascertained from inspiring English sources

A further limitation is that offspring cancers were ascertained by parent report.

The main limitations are the relatively small sample size, the loss to follow up, and the fact that not all chronic diseases were ascertained with equivalent rigour.

However, markers were ascertained for common polymorphisms.

Treatment and follow-up information were ascertained.

Deaths were ascertained from 1970 through 1992.

Reasons for stopping medications were ascertained.

Human SNPs were ascertained in three ways.

Treatment outcomes were ascertained for 225 persons.

Pedigrees were ascertained through a GD proband.

While cases were ascertained from passive reporting by clinicians, who may have underreported cases due to under-recognition or limited access to confirmatory laboratory testing, these limitations are unlikely to have introduced any selection bias that would affect these findings.

Multiple covariates were ascertained.