- Novel CFTR variants identified during the first 3 years of cystic fibrosis newborn screening in California. Prach L, Koepke R, Kharrazi M, Keiles S, Salinas DB, Reyes MC, Pian M, Opsimos H, Otsuka KN, Hardy KA, Milla CE, Zirbes JM, Chipps B, O'Bra S, Saeed MM, Sudhakar R, Lehto S, Nielson D, Shay GF, Seastrand M, Jhawar S, Nickerson B, Landon C, Thompson A, Nussbaum E, Chin T, Wojtczak H; California Cystic Fibrosis Newborn Screening Consortium. J Mol Diagn. 2013 Sep;15(5):710-22. doi: 10.1016/j.jmoldx.2013.05.006.