Colorectal carcinoma affects many people.
Throat symptoms are a common problem.
Vitamin B12 is an important cofactor In normal DNA synthesis.
Skin biopsy is a standard diagnostic tool in dermatology and is relatively easy to perform.
Adolescents often present with menstrual problems such as persistently heavy menstruation or irregular cycles. The descriptionption of such symptoms is variable, reflecting the anxiety of the patient and her guardian.
The primates have been around for tens of millions of years, the genus Homo, for millions, and our species, so inappropriately named sapiens, for hundreds of thousands of years.
A 74-year-old woman who works as a telephone operator has a four-month history of an especially tender lesion on the rim of the ear.