TY - RPRT TI - Optimized expression and specific activity of IL-12 by directed molecular evolution. AU - Steven R Leong AU - Jean C C Chang AU - Randal Ong AU - Glenn Dawes AU - Willem P C Stemmer AU - Juha Punnonen PY - 2003 DO - 10.1073/pnas.0237327100 UR - https://pubmed.ncbi.nlm.nih.gov/12529500/ ID - 12529500 ER -