Sentence examples similar to are often unclear with from inspiring English sources

The relative contributions of malaria and iron deficiency to post-malaria anaemia are often unclear, however iron supplementation combined with effective anti-malarial therapy is commonly employed and has been shown to be an effective strategy for the management of post-malarial anaemia [1].

The rules it is tasked with interpreting are often unclear.

Land deeds are often unclear, and in many cases only those with money for lawyers have been able to register their claims.

The underlying data is not released with the report, and the citations are often unclear.

Access to drugs is limited and diagnoses are often unclear.

The roots and causes of suicide are often unclear.

In poor countries, the rules are often unclear.

The route(s) of contamination are often unclear.

Unfortunately, the data supporting the use of these adjunct therapies are often unclear, conflicting, or absent.

The causes of diabetes are often unclear.

Despite these efforts, the answers are often unclear.