Breast screening under 50.
Hitchcock
G C
GC
D000328:Adult; D000367:Age Factors; D001943:Breast Neoplasms / Q000453:epidemiology / Q000517:prevention & control*; D002985:Clinical Protocols; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D008875:Middle Aged