Making sense (and antisense) of the X inactivation center. Journal   Proceedings of the National Academy of Sciences of the United States of America. Citation   Proc Natl Acad Sci U S A. 98(18):10025-7 Publication date   2001 Aug 28 Authors   Willard HF Carrel L Investigators   Laura Carrel MeSH headings   Dosage Compensation, Genetic Medline ID   21417773