it is administered by a route described in the European Pharmacopoeia or, in the absence thereof, by the pharmacopoeias used officially in Member States;
tugtar é trí bhealach a bhfuil cur síos air in Pharmacopoeia Eorpach nó, ina éagmais sin, in pharmacopoeia atá in úsáid go hoifigiúil i mBallstáit;