Background Cigarette-smoke induced DNA damage can cause airway cell apoptosis and death, which may be associated with the development of chronic obstructive pul
Background Tissue engineering techniques combined with gene therapy have been recently used to improve osteogenesis. NEL-like molecule-1 (Nell-1), a novel growt
Percutaneous kyphon balloon kyphoplasty has achieved encouraging results in the treatment of osteoporotic compression fractures, both for correcting spinal def