. . . "FLP-FRT recombination" . "FRT" . "flip recombinase (or ''FLP'')" . . "Flp recombinase" . "FRT/Flp" . "Flp-FRT" . . "Flp/''FRT''" . "Flp/FRT system" . "FLP" . . "\\\"flippase\\\" or \\\"Flp\\\"" . "FLP recombinase" . "Flp" . "FLP-FRT recombination" . "FLP-FRT" .