Flow focusing: A versatile technology to produce size-controlled and specific-morphology microparticles
Martin-Banderas, L.; Flores-Mosquera, M.; Riesco-Chueca, P.; Rodriguez-Gil, A.; Cebolla, A.; Chavez, S.; Gañan-Calvo, A.M. SMALL, 1, (7), 688-692 (2005)