title: Osteoporosis in chronic obstructive pulmonary disease.
authors: Department of Biomedical Science, Medical Center, Shantou, China. E-mail: simsaitin@gmail.com.
authors: Sim Sai
authors: SS
authors: Tin
authors: Department of Public Health Hainan Medical University, China; University of Nis, Serbia; Joseph Ayobabalola University, Nigeria; Surin Rajabhat University, Thailand; Dr. DY Patil Medical University, India.
authors: Viroj
authors: V
authors: Wiwanitkita