Structure-cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants. - Giancola, Concetta; Ercole, Carmine; Fotticchia, Iolanda; Spadaccini, Roberta; Pizzo, Elio; D'Alessio, Giuseppe; Picone, Delia (FEBS Journal, 2011)