Items where Author is "Walker, Roger P."
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Cole, Laurence A. and Kellner, Leonard H. and Isozaki, Taichi and Palomaki, Glenn E. and Iles, Ray K. and Walker, Roger P. and Ozaki, Mikio and Canick, Jacob A. (1997) Comparison of 12 assays for detecting hCG and related molecules in urine samples from Down syndrome pregnancies. Prenatal diagnosis, 17 (7). pp. 607-614. ISSN 0197-3851