2891693 ISCN International System for Human Cytogenetic Nomenclature 36 2891694 ISCN International System for Human Cytogenetic or Cytogenomic Nomenclature 2 2891695 ISCN Intramedullary spinal cord neoplasms 2 2891696 ISCN equivalent short-circuit current after addition of nystatin 1 2891697 ISCN in-stent calcified nodule 1 2891690 ISCN International Naming Standards of Human Genetics 1 2891691 ISCN International Society of Chromosome Nomenclature 1 2891692 ISCN International Standard for Cytogenetic Nomenclature 1 2891698 ISCN invariant scattering convolution network 1