Ferrante Claudio and Recinella Lucia and Menghini Luigi and Brunetti Luigi and Chiavaroli Annalisa and Leone Sheila and Maurizio Ronci and Carradori Simone and Locatelli Marcello and Angelini Paola and Covino Stefano and Venanzoni Roberto and Orlando Giustino: Phytochemical and pharmacological approach for the evaluation of water flower extract activity of four commercial Italian hemp cultivars.