Impact of Folic acid fortification in the United States: Markedly diminished high maternal serum alpha-fetoprotein values von EVANS, Mark I, LLURBA, Elisa, LANDSBERGER, Ellen J, O'BRIEN, Joseph E, HARRISON, Harold H

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Second-trimester maternal serum marker screening: Maternal serum α-fetoprotein, β-human chorionic gonadotropin, estriol, and their various combinations as predictors of pregnancy o... von Yaron, Yuval, Cherry, Michele, Kramer, Ralph L., O’Brien, Joseph E., Hallak, Mordechai, Johnson, Mark P., Evans, Mark I.

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Recapturing the History Standards: Historical Inquiry in the Middle Grades von O'Brien, Joseph E., White, Steven H.

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A History Lab Environment in the Classroom Brings the Standards to Life von White, Steven H., O'Brien, Joseph E., Smith, Art, Mortensen, Dustin, Hileman, Keil

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Distribution of Neural Tube Defects as a Function of Maternal Weight:No Apparent Correlation von Feldman, Baruch, Yaron, Yuval, Critchfield, Gregory, Leon, Jorge, O’Brien, Joseph E., Johnson, Mark P., Evans, Mark I.

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Maternal Weight Differences Do Not Explain Ethnic Differences in Biochemical Screening von Bryant-Greenwood, Peter K., O’Brien, Joseph E., Huang, Xiaohua, Yaron, Yuval, Ayoub, Mazin, Johnson, Mark P., Evans, Mark I.

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Correction for insulin-dependent diabetes in maternal serum α-fetoprotein testing has outlived its usefulness von Evans, Mark I., Harrison, Harold H., O'Brien, Joseph E., Dvorin, Elena, Huang, Xiaohua, Krivchenia, Eric L., Reece, E.Albert

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How Will the U.S. Supreme Court Decide? von O'brien, Joseph E.

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What is a Hero? An exploratory study of students' conceptions of heroes von White, Steven H.

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Hepatitis B surface antigen: decreased need for confirmation of reactive results von O'Brien, J E

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Race-ethnicity-specific variation in multiple-marker biochemical screening: Alpha-fetoprotein, hCG, and Estriol von O'Brien, Joseph E., Dvorin, Elena, Drugan, Arie, Johnson, Mark P., Yaron, Yuval, Evans, Mark I.

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Part 7: Baseline Laboratory Characteristics von Hall, W Dallas, Davis, Bany R, Frost, Philip, Hoffmeier, Mary, OʼBrien, Joseph E, Pace, Susan, Page, Lot, Schneider, Kenneth A, Stamler, Jeremiah

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Occupational exposure to HIV: response to a system failure von Emmett, Stacey L, O'Brien, Adam J, Ibrahim, Joseph E

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To the editor von Gambino, Raymond, O'Brien, Joseph E.

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Impact of folic acid supplementation in the United States: markedly diminished high maternal serum AFPs von Evans, Mark I., Wapner, Ronald J., O’Brien, Joseph E., Dvorin, Elena, Huang, Xiouha, Harrison, Harold

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To the editor von Gambino, Raymond, O'Brien, Joseph E.

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Reference values; Coagulation disorders; Prothrombin time specimens von O'Brien, Joseph E.

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515 Persistence of “single” screen alpha fetoprotein tests ordered by practicing physicians von Evans, Mark I., O'Brien, Joseph E., Henry, George P., Schwartz, Joy, Chervenak, Frank A., Wapner, Ronald J., Harrison, Harold

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Determination of reference values for a novel ketoamine-specific fructosamine assay for assessment of diabetic glycemic control von O'Brien, J E, Brookes, M

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Standardization of methods reduces variability: explanation for historical discrepancies in biochemical screening von Evans, Mark I, O'Brien, Joseph E, Dvorin, Elena, Wapner, Ronald J, Harrison, Harold H

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