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  1. No Access

    Article

    Selection of Electrolytes for Electrochemical Machining

    THE communication by Dr J. P. Hoare1 was of interest to us because we are working along similar lines. We suggest, however, that there is a more fundamental criterion for assessing the behaviour of a metal/electr...

    P. J. BODEN, J. M. EVANS in Nature (1969)

  2. No Access

    Article

    An attempt to separate fractions rich in human Y sperm

    THE desire to predetermine sex before conception and thus alter the natural sex ratio has led many investigators to seek methods of separating the populations of X- and Y-bearing sperm and over the past 50 yea...

    J. M. EVANS, T. A. DOUGLAS, J. P. RENTON in Nature (1975)