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Are they identical? : zygosity determination for twins, triplets and more / [by Elizabeth Bryan, Faith Hallet].

By: Bryan, Elizabeth M [author.]Contributor(s): Hallet, Faith | Multiple Births Foundation [issuing body.] | University of London. Institute of Obstetrics and GynaecologyMaterial type: TextTextPublication details: London : Multiple Births Foundation, 1997Description: [8] p. : ill. ; 21 cmContent type: text Media type: unmediated Carrier type: volumeSubject(s): Multiple birth | TwinsDDC classification: 618.25