The Postal Service and cancer screening.
Bodai
B I
BI
Hunter
D C
DC
D001943:Breast Neoplasms; D006291:Health Policy; D006801:Humans; D008119:Lobbying; D008297:Male; D010678:Philately / Q000191:economics*; D011177:Postal Service; D011471:Prostatic Neoplasms; D012109:Research Support as Topic / Q000379:methods; D014481:United States