[lemma=clear] [lemma=□]
[lemma=clear] [lemma=which]
[lemma=clear] [lemma=clear]
In addition , it is not clear which method is more suitable for the unbalanced data . It is also sometimes not very clear which strippers are NMP based because of some of the unusual marketing strategies some of these companies have developed to overcome the higher price . " He continued walking until he came to a small clearing which had a bronze plaque set in the ground . It was not clear which trials were being combined , and whether they were of sufficient quality to avoid bias . However , the optimal time for initiating anti-HBV therapy in coinfected patients has neither been established nor is it clear which drug ( s ) should be used .