. "follistatin-like 4 (FSTL4) [hgnc:21389]" . . . "follistatin-like 4 (FSTL4)" . "hgnc:21389" . "FSTL4" . "http://www.genenames.org/data/hgnc_data.php?hgnc_id=HGNC:21389" . . . "follistatin-like 4" . "Approved" . "gene with protein product" . . "2004-04-05" . "2008-02-05" . . "Standard" . . . . . . . . "AB028984" . .