TY - RPRT TI - Molecular evolution: slippery introns and globin gene evolution. AU - A Stoltzfus AU - W Ford Doolittle PY - 1993 DO - 10.1016/0960-9822(93)90336-m UR - https://pubmed.ncbi.nlm.nih.gov/15335770/ ID - 15335770 ER -