The study of ancient animal remains is referred to as zooarchaeology.

The study remained formally classified, however, until 2011.

His studies on Thymus remain as a work of reference on the subject.

The architecture of many Coptic buildings is still little documented, and basic studies remain to be done.

"We have a responsibility to make public our findings immediately and take swift action, even though confirmatory studies remain under way."

In addition, the study remains to be replicated by other researchers, which will not be easy.

These studies remain inconclusive and all require independent replication.

Much scholarly study still remains to be done.

In fact, they enjoyed nearly as much protection as women who were physically active before the study began and remained so.

Many important oceanographic investigations were carried out, so that the study of data continued till 1917 and remained uncompleted.