TY - RPRT TI - Additional Watson-Crick interactions suggest a structural core in large subunit ribosomal RNA. AU - T Haselman AU - R R Gutell AU - J Jurka AU - G E Fox PY - 1989 DO - 10.1080/07391102.1989.10507759 UR - https://pubmed.ncbi.nlm.nih.gov/2684221/ ID - 2684221 ER -