Internal Structure of Thermoresponsive Physically Crosslinked Nanogel of Poly[ N -(2-hydroxypropyl)methacrylamide]- Block -Poly[ N -(2,2-difluoroethyl)acrylamide], Prominent 19 F MRI Tracer. - Babuka, David; Kolouchova, Kristyna; Groborz, Ondrej; Tosner, Zdenek; Zhigunov, Alexander; Stepanek, Petr; Hruby, Martin (Nanomaterials (2079-4991), 2020)