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  1. No Access

    Article

    Noncontact, Laser-Mediated Extraction of Polar Bodies for Prefertilization Genetic Diagnosis

    Purpose: We tested an entirely noncontact polar body-extraction method using an ultraviolet laser beam for laser zona drilling and a near infrared laser beam for polar body (PB) trap** and extraction. Methods:

    A. Clement-Sengewald, T. Buchholz… in Journal of Assisted Reproduction and Genet… (2002)

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    Article

    A three step protocol for the treatment of idiopathic subfertility

    650 couples with idiopathic subfertility (mean duration: 5.7 year, range 2–21 years) were treated during 2870 cycles by three assisted conception methods (each involving mild ovarian stimulation): I timed inte...

    F. D. Berg, V. Seifert-Klauss, C. Lauritzen… in Archives of Gynecology and Obstetrics (1994)

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    Article

    Serum concentration and urinary excretion of “classical” estrogens, catecholestrogens and 2-methoxyestrogens in normal human pregnancy

    Catecholestrogens, 2-methoxyestrogens and “classical” estrogens (estrone, estradiol, estriol) were measured simultaneously in serum and urine samples of 220 pregnant women from the 8th week of pregnancy until ...

    F. D. Berg, E. Kuss in Archives of Gynecology and Obstetrics (1992)

  4. No Access

    Article

    Neutral meson production in relativistic heavy ion collisions

    The production ofπ 0 andη mesons has been studied in the reactions20Ne +Al at 350 MeV/u and40Ar + Ca at 1.0 GeV/u. Rapidity distributions and transverse momentum spectra have been measured and are compared to the...

    F. D. Berg, A. Boonstra, H. P. Braak… in Zeitschrift für Physik A Hadrons and Nuclei (1991)

  5. No Access

    Article

    Neutral pion production at 350 MeV/u in the system20Ne +27Al

    π0 -production probability of (9± 2)· 10− 3 per20Ne+Al reaction has been measured at 350 MeV/u using the Two Arm Photon Spectrometer TAPS. This yield is consistent with an interpolation of published π-production ...

    F. D. Berg, M. Pfeiffer, O. Schwalb… in Zeitschrift für Physik A Atomic Nuclei (1990)