The antegrade effective refractory period of the accessory pathway in two of the three patients was greater than 600 msec.
This may help to explain why the liver fluke is more refractory to the action of typical benzimidazole drugs.
Genetic mapping and positional cloning of the t haplotype lethals has been hindered by the inversions that render t haplotypes refractory to standard genetic analyses.
The presence of such a pituitary - adrenal refractory period in nonhuman primates and humans remains controversial.
Patients with paroxysmal or chronic atrial fibrillation that is ill tolerated and drug refractory are selected for pacing (11;21;39).
This uncertain, ambiguous realm is where the 'core' qualities of performance itself flourish: ephemeral, evanescent, refractory, ineffable, enduring, substantial, accessible, intelligible, efficacious, and so on.
Pharmacological modulation of the refractory period of retinal spreading depression.
Once hosts join the 'refractory' class they remain there and do not rejoin the susceptible section.
