%0 Journal Article %T Drug studies in developing countries %A Olliaro Piero L. %A Vijayan Ramani %A Inbasegaran K. %A Chim Choy Lang %J Bulletin of the World Health Organization %D 2001 %I World Health Organization %U http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0042-96862001000900017