PepFect 14, a novel cell-penetrating peptide for oligonucleotide delivery in solution and as solid formulation. by Ezzat, K, Andaloussi, SE, Zaghloul, E, Lehto, T, Lindberg, S, Moreno, P, Viola, JR, Magdy, T, Abdo, R, Guterstam, P, Sillard, R, Hammond, S, Wood, M, Arzumanov, A, Gait, M, Smith, C, Hällbrink, M, Langel, Ü