Eight patients in long-term ( LT ; 3 to 15 years ) and 15 patients in short-term ( ST ; up to 3 years ) remission were studied .
eight patients in long-term ( lt ; 3 to 15 years ) and 15 patients in short-term ( st ; up to 3 years ) remission were studied .
O B-multi_cell O O O O O O O O O O O O B-multi_cell O O O O O O O O O O B-other_name O O O