%0 Journal Article %T Two Cases of Spontaneous Recurrent Hemarthrosis of the Shoulder with Acromial Erosion Associated with Impingement Syndrome %A Katsutoshli Miyatake %A Koichi Sairyo %A Shoji Fukuta %A Tetsuya Matsuura %J Archive of "Case Reports in Orthopedics". %D 2019 %R 10.1155/2019/3042475 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6409071/