TY - RPRT TI - Direct genetic selection for a specific RNA-protein interaction. AU - M P MacWilliams AU - D W Celander AU - J F Gardner PY - 1993 DO - 10.1093/nar/21.24.5754 UR - https://pubmed.ncbi.nlm.nih.gov/8284225/ ID - 8284225 ER -