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We present results for the ${}^{3}{P}_{2}{\ensuremath{-}}^{3}{F}_{2}$ pairing gap in neutron matter with several realistic nucleon-nucleon potentials, in particular with recent phase-shift-equivalent potentials. We find that their predictions for the gap cannot be trusted at densities above $\ensuremath{\rho}\ensuremath{\approx}1.7{\ensuremath{\rho}}_{0},$ where ${\ensuremath{\rho}}_{0}$ is the saturation density for symmetric nuclear matter. In order to …