tokens: METHODS AND RESULTS : We obtained peripheral venous blood samples in 20 patients with AMI before and daily for 5 days after direct percutaneous transluminal coronary angioplasty ( PTCA ) and in 20 patients undergoing elective PTCA .
folded_tokens: methods and results : we obtained peripheral venous blood samples in 20 patients with ami before and daily for 5 days after direct percutaneous transluminal coronary angioplasty ( ptca ) and in 20 patients undergoing elective ptca .
labels: O O O O O O B-tissue I-tissue I-tissue I-tissue O O B-multi_cell O B-other_name O O O O O O O O B-other_name I-other_name I-other_name I-other_name O B-other_name O O O O B-multi_cell O O B-other_name O