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  • Sara M Duesterhoeft, Linda M. Ernst, Joseph R Siebert, Raj P. Kapur
  • Medicine, Biology
  • American journal of medical genetics. Part A
  • 2007 (First Publication: 15 December 2007)
  • Sirenomelia and caudal regression have sparked centuries of interest and recent debate regarding their classification and pathogenetic relationship. Specific anomalies are common to both conditions,Expand
  • Raj P. Kapur, David A Sweetser, Barbara Doggett, Joseph R Siebert, Richard D. Palmiter
  • Biology, Medicine
  • Development
  • 1995 (First Publication: 1 November 1995)
  • Mice homozygous for the piebald lethal (sl) mutation, which have a complete deletion of endothelin receptor-B, fail to form ganglion cells in the distal large intestine and are nearly devoid ofExpand