Magnetically responsive microbubbles as delivery vehicles for targeted sonodynamic and antimetabolite therapy of pancreatic cancer by Sheng, Y, Beguin, E, Nesbitt, H, Kamila, S, Owen, J, Barnsley, L, Callan, B, O'Kane, C, Nomikou, N, Hamoudi, R, Taylor, M, Love, M, Kelly, P, O'Rourke, D, Stride, E, McHale, A, Callan, J