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JABL (Congenital Mental Retardation Syndromes) - Synopsis

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Multiple Congenital Anomaly/Mental Retardation (MCA/MR) Syndromes was developed by Stanley Jablonski at the U.S. National Library of Medicine (NLM) in 1999.

MCA/MR Syndromes describes syndromes in which multiple congenital anomalies are associated with mental retardation.

MCA/MR Syndromes consists of structured descriptions of approximately 700 out of the 1600-2000 syndromes of congenital abnormalities known to be associated with mental retardation.

MCA/MR Syndromes is used by researchers and practitioners in the multiple congenital anomalies/mental retardation field.

Update Frequency
MCA/MR Syndromes was last updated in 1999. MCA/MR Syndromes is no longer being maintained or updated.

Metathesaurus Update Frequency
MCA/MR Syndromes was last updated in the Metathesaurus in 2000.

Sites Consulted

  1. Congenital Syndromes Database Closed [Internet]. Bethesda (MD): National Library of Medicine; 2004 Jun 15 [updated 2004 Jun 15; cited 2009 Dec 31]. Available from: