Retrospective Study for the Clinical Evaluation of a Real-Time PCR Assay with Lyophilized and Ready-to-Use Reagents for Streptococcus agalactiae Detection in Prenatal Screening Specimens Peris María Paz Universidad de Zaragoza Martín-Saco Gloria Alonso-Ezcurra Henar Escolar-Miñana Cristina Universidad de Zaragoza Rezusta Antonio Universidad de Zaragoza Acero Raquel Universidad de Zaragoza Milagro-Beamonte Ana 2022 research-article