41.   Abiola and human rights groups have urged it to impose tougher restrictions, such as a ban on purchases of Nigerian oil.

42.   Also, the FDA is developing tougher restrictions on who can take Accutane and which doctors can prescribe it, Bull told the House Government Reform Committee.

43.   As residents near airports have become more demanding, airlines face tougher operating restrictions and airports are constrained from growing to meet demand.

44.   Conservative lawmakers are expected to demand tougher restrictions.

45.   Gun rights activists called for legislators to consider the facts before pushing through tougher restrictions.

46.   Kentucky will look at tougher restrictions for absentee voters.

47.   One of the judges said he hopes the prize will lead to tougher restrictions on use of chlorofluorocarbons, the gases blamed for the decay.

48.   Speaking before a Jewish group, Christopher also declared his intention to take the lead within the Clinton administration for tougher economic restrictions on Iran.

49.   The causes for tougher restrictions are therefore strong.

50.   The European Union moved toward tougher restrictions on tobacco advertising Thursday but again rejected proposals for a total ban.