Fetal karyotypes of high genetic risk pregnancies from Social Security Hospitals and Private Consultations. Acta Médica Costarricense , [S. l.], v. 42, n. 1, p. 25–30, 2000. DOI: 10.51481/amc.v42i1.539. Disponível em: https://actamedica.medicos.cr/index.php/Acta_Medica/article/view/539. Acesso em: 5 nov. 2026.