Some articles on primary, amenorrhoea:
... There are two primary ways to classify amenorrhoea ... Types of amenorrhoea are classified as primary or secondary, or based on functional "compartments" (Speroff) ... By primary vs ...
Famous quotes containing the word primary:
“Parental attitudes have greater correlation with pupil achievement than material home circumstances or variations in school and classroom organization, instructional materials, and particular teaching practices.”
—Children and Their Primary Schools, vol. 1, ch. 3, Central Advisory Council for Education, London (1967)