The therapy may be especially hazardous to pregnant or breast-feeding women.

This toxic waste is especially hazardous to those still suffering the effects of direct exposure to the gas.

Use in very young children may be especially hazardous.

Lead poisoning is especially hazardous to children under six years of age.

Road travel after dark is especially hazardous in all areas of the country.

These two locations are considered especially hazardous because of the heights involved.

The country has become especially hazardous to human rights campaigners, labor leaders, journalists, and politicians.

In winter, icy roads and sheer winds can make travel especially hazardous.

And summertime activities tend to be especially hazardous to eyes.

Our group would have liked to see rather more determined action to try to get rid of especially hazardous chemical substances.