Référence: Hilgers TW, et al Assessment of the empty follicle syndrome by transvaginal sonography.
Hilgers TW, Kimball CR, Keck SJ, Dvorak AD, Tamisiea DF, Yaksich PJ. Assessment of the empty follicle syndrome by transvaginal sonography. J Ultrasound Med. 1992 Jul;11(7):313-6.