Merchant Opold: This one promised compensation for services rendered. It humbly suggests that a sum of 250 credits would be most appropriate. Shepard: Would you have had any chance of getting this past customs without me? You can be a bit more generous. Merchant Opold: The other's words possess the discomforting ring of truth. Merchant Opold: This one could raise the sum to 500 credits. That is half this one's profit taken by the other. It can offer no more.

The Ames test proved that mutagenicity was linked to carcinogenicity.

We cleaned out the cellars, fixed the shelves, distempered the walls, polished the woodwork, whitewashed the ceiling, stained the floor;

Most people infected with the COVID-19 virus will experience mild to moderate respiratory illness and recover without requiring special treatment.