The maker of a promising ovarian cancer drug said, Friday, that he stopped enrolling women in a study because several patients developed gastrointestinal holes.
A promising drug for stomach cancer was made 
( z1 make :ARG1 ( z2 drug :ARG0-of ( z3 promise :ARG2 ( z4 disease :name ( z5 name :op "stomach" :op "cancer" ) ) ) ) )