Intra-specific biodiversity of Italian myrtle ( Myrtus communis ) through chemical markers profile and biological activities of leaf methanolic extracts - G. Sacchetti; M. Muzzoli; G. A. Statti; F. Conforti; A. Bianchi; C. Agrimonti; M. Ballero; F. Poli (Natural Product Research, 2007)