61.   It was the first reported instance of such a letter in Pakistan, though similar mail containing powdery substances has caused scares across the world in recent days.

62.   Lab officials urged government authorities to ban the sale, manufacture and importation of unlicensed nutritional supplements containing banned substances.

63.   Last year Bin Baz ruled that Muslim men may use the anti-impotence drug Viagra if it does not contain any intoxicating substances.

64.   Okeke said he used the product without knowing it contained illegal substances.

65.   Okeke, who was banned for three months from competition, said he used the product without knowing it contained illegal substances.

66.   Roger Bergstroem, energy chief for Boraas, explained that cremating bodies leaves behind residues containing toxic substances such as mercury.

67.   She was subsequently exonerated, as the substance was contained in a prescribed medication for a cold.

68.   Security officials still consider the actual explosion the greatest threat, and not the prospect that the device might contain substances.

69.   Some of the products, available over the counter and advertised over the Internet, contain banned substances.

70.   The American Academy of Pediatrics has long recommended breast feeding as way of protecting infants from infection because breast milk contains substances that combat disease.