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Improved performance in a prenatal screening programme for Down's syndrome incorporating serum-free hCG subunit analyses
Dr R. G. Ryall, A. J. Staples, E. F. Robertson, A. C. PollardVolume:
12
Year:
1992
Language:
english
Pages:
11
DOI:
10.1002/pd.1970120404
File:
PDF, 632 KB
english, 1992