Predictors of osteoporosis and vertebral fractures in patients presenting with moderate-to-severe chronic obstructive lung disease

Hiromi Ogura-Tomomatsu, Koichiro Asano, Katsuyoshi Tomomatsu, Jun Miyata, Nao Ohmori, Motohiro Kodama, Soichiro Ueda, Takahisa Takihara, Kyuto Tanaka, Nobufumi Kamiishi, Yusuke Suzuki, Koichi Fukunaga, Tsuyoshi Oguma, Koichi Sayama, Tomoko Betsuyaku