Cervical cancer screening en USA

Medscape Oncology (@MedscapeOnc) twitteó a las 0:47 AM on sáb, ene 05, 2013:
#Oncology What's Going On With Cervical Cancer Screening in US? http://t.co/YXaCoDaQ
(https://twitter.com/MedscapeOnc/status/287344495320772609)
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