Exon 5 alternative splicing of the cytochrome P450 aromatase could be a regulatory mechanism for estrogen production in humans - Pepe, C M; Saraco, N I; Baquedano, M S; Guercio, G; Vaiani, E; Berensztein, E; Rivarola, M A; Belgorosky, A (Medicina (B Aires), 2007)