Site-specific glycan analysis of human chorionic gonadotropin β-subunit from malignancies and pregnancy by liquid chromatography--electrospray mass spectrometry von Valmu, Leena, Alfthan, Henrik, Hotakainen, Kristina, Birken, Steven, Stenman, Ulf-Håkan

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Specific Measurement of O-Linked Core 2 Sugar-Containing Isoforms of Hyperglycosylated Human Chorionic Gonadotropin by Antibody B152 von Birken, Steven

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Differences in Recognition of the 1st WHO International Reference Reagents for hCG-Related Isoforms by Diagnostic Immunoassays for Human Chorionic Gonadotropin von Sturgeon, Catharine M, Berger, Peter, Bidart, Jean-Michel, Birken, Steven, Burns, Chris, Norman, Robert J, Stenman, Ulf-Hakan, on behalf of IFCC Working Group on hCG

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Human chorionic gonadotropin measurements in parathyroid carcinoma von Rubin, Mishaela R, Bilezikian, John P, Birken, Steven, Silverberg, Shonni J

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Determination of hyperglycosylated human chorionic gonadotropin produced by malignant gestational trophoblastic neoplasias and male germ cell tumors using a lectin-based immunoassa... von Kelly, Lisa S., Birken, Steven, Puett, David

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Elimination of Complement Interference in Immunoassay of Hyperglycosylated Human Chorionic Gonadotropin von STENMAN, Ulf-Håkan, BIRKEN, Steven, LEMPIÄINEN, Anna, HOTAKAINEN, Kristina, ALFTHAN, Henrik

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U.S. National Institutes of Health core consolidation-investing in greater efficiency von Chang, Michael C, Birken, Steven, Grieder, Franziska, Anderson, James

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Establishment, Value Assignment, and Characterization of New WHO Reference Reagents for Six Molecular Forms of Human Chorionic Gonadotropin von Bristow, Adrian, Berger, Peter, Bidart, Jean-Michel, Birken, Steven, Norman, Robert, Stenman, Ulf-Hakan, Sturgeon, Catharine, on behalf of IFCC Working Group on hCG

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Preparation and Characterization of New WHO Reference Reagents for Human Chorionic Gonadotropin and Metabolites von Birken, Steven, Berger, Peter, Bidart, Jean-Michel, Weber, Matthias, Bristow, Adrian, Norman, Rob, Sturgeon, Catharine, Stenman, Ulf-Hakan

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Intact HCG, free HCG β subunit and HCG β core fragment: longitudinal patterns in urine during early pregnancy von McChesney, Ruth, Wilcox, Allen J., O'Connor, John F., Weinberg, Clarice R., Baird, Donna D., Schlatterer, John P., McConnaughey, D.Robert, Birken, Steven, Canfield, Robert E.

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Patterns of LHβcf among women in health and disease von Birken, Steven, McChesney, Ruth, Yershova, Oksana, Gaughan, John, Pettersson, Kim, Rechenberg, Geoff, Wu, Chung H., Taliadouros, George

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Isolation and characterization of human pituitary chorionic gonadotropin von Birken, S, Maydelman, Y, Gawinowicz, M A, Pound, A, Liu, Y, Hartree, A S

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Immunochemical Measurement of Early Pregnancy Isoforms of hCG: Potential Applications to Fertility Research, Prenatal Diagnosis, and Cancer von Birken, Steven, Kovalevskaya, Galina, O'Connor, John

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Development and characterization of antibodies to a nicked and hyperglycosylated form of hCG from a choriocarcinoma patient: generation of antibodies that differentiate between pre... von Birken, S, Krichevsky, A, O'Connor, J, Schlatterer, J, Cole, L, Kardana, A, Canfield, R

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Site-specific glycan analysis of human chorionic gonadotropin  -subunit from malignancies and pregnancy by liquid chromatography--electrospray mass spectrometry von Valmu, L., Alfthan, H., Hotakainen, K., Birken, S., Stenman, U.-H.

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The structures of the serine-linked sugar chains on human chorionic gonadotropin von Cole, Laurence A., Birken, Steven, Perini, Fulvio

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Patterns of LHbetacf among women in health and disease von Birken, Steven, McChesney, Ruth, Yershova, Oksana, Gaughan, John, Pettersson, Kim, Rechenberg, Geoff, Wu, Chung H, Taliadouros, George

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Metabolism of hCG and hLH to multiple urinary forms von Birken, Steven, Kovalevskaya, Galina, O'Connor, John

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Intact HCG, free HCG [beta] subunit and HCG [beta] core fragment: longitudinal patterns in urine during early pregnancy von McChesney, Ruth, Wilcox, Allen J, O'Connor, John F, Weinberg, Clarice R, Baird, Donna D, Schlatterer, John P, D.Robert McConnaughey, Birken, Steven, Canfield, Robert E

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Immunochemical Measurement of Early Pregnancy Isoforms of hCG von Birken, Steven, Kovalevskaya, Galina, O'Connor, John

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