QUALITY ASSURANCE AND QUALITY-CONTROL OF PRENATAL AFP AND MULTIPLE MARKER SCREENING PROGRAMS - ROLE OF MONITORING POSITIVITY RATES, POPULATION MEDIANS, AND OUTCOME TRENDS FOR OPTIMAL CLINICAL-PERFORMANCE
H. Harrison et al., QUALITY ASSURANCE AND QUALITY-CONTROL OF PRENATAL AFP AND MULTIPLE MARKER SCREENING PROGRAMS - ROLE OF MONITORING POSITIVITY RATES, POPULATION MEDIANS, AND OUTCOME TRENDS FOR OPTIMAL CLINICAL-PERFORMANCE, Clinical chemistry, 41(6), 1995, pp. 33-33