| It is caused by diesel fumes belching from the packed vehicles and halfway-wrecked lorries that clog the roads. |
| The difference among species may be caused by different tolerances for harsh conditions. |
| When tonsillitis is caused by viruses, the length of illness depends on which virus is involved. |
| Sinus node dysfunction can occur perioperatively because of increased vagal tone caused by anesthesia or surgical intervention. |
| He said there is a window of opportunity to reverse the environmental setback caused by many years of neglect. |
| Overall tolerability was similar between the two classes of drugs, but atypical agents caused fewer extrapyramidal side effects. |
