Sentence:  From the wealth of material and the wide variety of different electronic techniques perfected in the past <WSD>few</WSD> years we have selected a few examples which appear to be headed for use in the immediate future and which offer completely new tools in medical research . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `a'; a small but indefinite number