For differential diagnosis in particular diseases, make additional entry under the heading [name of disease]--Diagnosis, e.g. 1. Cancer--Diagnosis. 2. Diagnosis, Differential.
For works on medical self-examination of a part or region of the body, an additional subject entry is made under the heading for the part of the body subdivided by Examination, e.g., 1. Foot--Examination. 2. Self-examination, Medical. --subdivision Medical examinations under topical headings, classes of persons, ethnic groups, and individual military services