The natural history of silent gallstones; the innocent gallstone is not a myth.
The natural history of silent gallstones: the innocent gallstone is not a myth.
Manners and customs belong to anthropology, which is not a branch of natural history.
The natural history module provides the platform on which the other modules depend.
Science in those days was divided into two branches, natural philosophy and natural history.
The principle remains, even in natural history, that laws govern history, even if not comprehensively or immediately.
This new tradition of documentary natural history film-making was largely founded by ethologists.
It is difficult to be sure whether they died as a complication of catheterisation, or as part of the natural history of the disease.
