APA
Wojakowski A., Izbizky G., Carcano M. E., Aiello H., Marantz P. & Otaño L. (20100825). Fetal Doppler mechanical PR interval: correlation with fetal heart rate, gestational age and fetal sex. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Chicago
Wojakowski A, Izbizky G, Carcano M E, Aiello H, Marantz P and Otaño L. 20100825. Fetal Doppler mechanical PR interval: correlation with fetal heart rate, gestational age and fetal sex. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Harvard
Wojakowski A., Izbizky G., Carcano M. E., Aiello H., Marantz P. and Otaño L. (20100825). Fetal Doppler mechanical PR interval: correlation with fetal heart rate, gestational age and fetal sex. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
MLA
Wojakowski A, Izbizky G, Carcano M E, Aiello H, Marantz P and Otaño L. Fetal Doppler mechanical PR interval: correlation with fetal heart rate, gestational age and fetal sex. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20100825.