Sentence examples for remain difficult to ascertain from inspiring English sources

Without a nationally consistent approach to data development relating to perinatal mental health, it will remain difficult to ascertain if these key initiatives have had the desired effect of increasing rates of depression screening and psychosocial assessment among perinatal populations in service areas where implementation has occurred.

Thus it has remained difficult to ascertain the number, structural features, and roles of the ancestral deuterostome GATA gene complement.

Due to serological monitoring facilities, it remained difficult to ascertain the level of vaccine failure and thus aggravates disease epidemiology and its control.

It will remain difficult to definitively ascertain the etiology of PION in this case, even if all the requested information is provided.

Until then, his true colours remain hard to ascertain.

Questions remain unanswered or factors remain difficult to measure.

Jinnah, however, remained difficult to please.

The biology of sycophagine NPFW remains poorly known and extremely difficult to ascertain.

The bacterium can remain latent as an asymptomatic infection for years, and the source of such infections can be difficult to ascertain.

For the remaining 94 episodes of mild respiratory illnesses that did not meet the criteria for unscheduled visit, it was difficult to ascertain whether the subjects actually had very mild asthma exacerbations, leading to a possible underestimation.

And it was "difficult to ascertain the rationale behind some of the decisions that were made" in the 6,000 cases where individuals had been granted leave to remain.