| The great Potter is not to be blamed because of the refractoriness of the clay. |
| And he only gave way after Bartek's refractoriness also had been softened by unusual eloquence on Porankiewicz's part. |
| Genes conferring resistance to insecticides are more accessible to genetic study than genes involved in parasite refractoriness. |
| Patients in the study had already demonstrated refractoriness to physical therapy. |
| Felodipine in therapeutic doses has no effect on conduction in the conducting system of the heart and no effect on the A-V nodal refractoriness. |
| This refractoriness varies in every species of animal in its relation to every form of germ. |
