RT Journal A1 Pfeifer, G P T1 Analysis of chromatin structure by ligation-mediated PCR. JF Genome Research JO Genome Research YR 1992 FD November 01 VO 2 IS 2 SP 107 OP 111 DO 10.1101/gr.2.2.107 UL http://genome.cshlp.org/content/2/2/107.abstract