11.   The present study is immensely rich in every way, and is an impressive foray into largely uncharted territory.

12.   There would, however, have been at least two problems with using this method in the present study.

13.   These patients served as probands in the present study.

14.   Measures of fit, in the context of the present study, can only be approximations.

15.   Some North American theses on Scottish geology exist, but they have not been taken into account in the present study.