潜伏期延长

stage of latency prolongation of a bill prolongation of working day prolongation of analytic function prolongation of delay prolongation of a Riemann surface prolongation latency time minimum latency response latency direct prolongation analytic prolongation prolongation of labor prolongation of bill prolongation of flying career prolongation of effect prolongation of conduction time prolongation of Q-T interval syndrome of Q-T prolongation latency of response