Objective: Bronchoplastic and pulmonary arterioplastic procedures have become increasingly popular in recent years as an alternative to pneumonectomy, especiall
<正>Polypyrrole (PPy) powder was synthesized by chemical polymerization at 0℃under atmospheric condition and its layer was prepared by dip coating method on t
Objective: To find an effective, sensitive, specific and noninvasive diagnostic method of breast cancer. Methods: 109 masses of 102 patients with breast lesions