Sentence examples for however prospective studies from inspiring English sources

However, prospective studies are warranted to confirm this issue.

However, prospective studies limit considerably the importance of alcohol as a trigger.

However, prospective studies on anxiety disorders and CVD show conflicting results.

The development of "de novo" MOH in patients overusing analgesics would establish this causative relationship, however, prospective studies on that topic are missing.

However, prospective studies are necessary to evaluate methods such as alveolar recruitment maneuvers limiting the drop in PaO2/FiO2 ratio during apnea test course.

However, prospective studies provide substantial evidence that the first activated (manic or hypomanic) episode is often preceded by one or several depressive episodes typically in adolescence, and not uncommonly by much earlier childhood clinical antecedents (Duffy et al. 2014; Egeland et al. 2012; Mesman et al. 2013).

However, large prospective studies are still needed to verify this preventive effect.

However, prospective randomized studies did not find any excess mortality due to sudden death during biventricular pacing [22].

However, prospective, randomized studies are needed to validate these results.

However, prospective clinical studies are required to substantiate these findings.

However, prospective observational studies that systematically observe dying patients with validated instruments are still lacking.