Screening for Down's syndromede J. G. GrudzinskasMateriasDown SyndromePrenatal diagnosisGenetic ScreeningAnalysisDiagnosisChorionic GonadotropinsHuman chromosome abnormalitiesChorionic GonadotropinGenetic TestingEdiciones (1)Screening for Down's syndrome (1994)Cambridge University Press · inglésMás obras de J. G. GrudzinskasPProblems in early pregnancyProblems in early pregnancyProblems in early pregnancyScreening for Down syndrome in the first trimester