GARCÍA GONZÁLEZ, Salvador. Long-term Study on the Statistical Properties of Uterine and Umbilical Arterial Resistance Indexes by Simple Doppler Velocimetry in Patients with Perinatal Prognosis Stratification: Part I. CIENCIA ergo-sum, [S.l.], v. 5, n. 1, p. 37-42, oct. 2017. ISSN 2395-8782. Available at: <https://cienciaergosum.uaemex.mx/article/view/7981>. Date accessed: 18 aug. 2026.