170408 FR flexion-relaxation 18 170846 FR Fineman-Ross 5 170868 F-R Flory-Rehner 2 170625 F-R fluorescence 2 171295 F-R FAO-24 Radiation 1 171291 F-R fear-resistant 1 171290 F-R fiber-to-rebar 1 171289 F-R fibroblasts overexpressing the eYFP-WRN 1 171294 F-R FITC and R-CQD complex 1 171288 F-R frequency and the resonance resistance 1 171287 F-R frequency-resonance resistance 1 171292 F-R Frequency-response 1 171286 F-R future-relapsing 1 171293 F-R FZHY + entecavir responders 1