(1999). Study recommends ultrasound screening with mammography. Philippine Star.
Chicago (17e ed.) Bronvermelding"Study Recommends Ultrasound Screening with Mammography." Philippine Star 1999.
MLA (9e ed.) Bronvermelding"Study Recommends Ultrasound Screening with Mammography." Philippine Star, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.