[The 'freckle bus'; an unhealthy phenomenon or a sober-minded experiment?].
Rampen
F H
FH
D006801:Humans; D008403:Mass Screening; D009426:Netherlands / Q000453:epidemiology; D011237:Predictive Value of Tests; D012878:Skin Neoplasms / Q000175:diagnosis / Q000453:epidemiology*