Sentence examples for an observational from inspiring English sources

"This is an observational study only.

God knows her poems had an observational exactness.

This is an observational study.

This is an observational prospective cohort study.

This is an observational and prospective study.

Methods: This is an observational retrospective study.

This is an observational case report.

Study Design: This was an observational study.

This is an observational transversal study.

VACS 3 is an observational, longitudinal study.

Here, we present an observational summary of these two pulsars.