That is when two European studies presented at an international medical meeting in Barcelona , Spain , reported evidence of long-term clotting risks with the two best-selling drug-coated stents , which are made by two American companies , Boston Scientific and Johnson & Johnson .
Barcelona /location/administrative_division/country Spain
Spain /location/country/administrative_divisions Barcelona
DT VBZ WRB CD JJ NNS VBN IN DT JJ JJ NN IN NNP , NNP , VBD NN IN JJ NN NNS IN DT CD JJ JJ NNS , WDT VBP VBN IN CD JJ NNS , NNP NNP CC NNP CC NNP .
Barcelona
LOCATION
Spain
LOCATION
/location/administrative_division/country
Spain
LOCATION
Barcelona
LOCATION
/location/country/administrative_divisions