TY - RPRT TI - A flexible genetic code, or why does selenocysteine have no unique codon? AU - H Engelberg-Kulka AU - R Schoulaker-Schwarz PY - 1988 DO - 10.1016/0968-0004(88)90209-5 UR - https://pubmed.ncbi.nlm.nih.gov/2978098/ ID - 2978098 ER -