Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) W.F. Hendry,Bilateral Aseptic Necrosis of Femoral Heads Following Intermittent High-Dose Steroid Therapy,Fertility and Sterility,0015-0282,Elsevier BV,1982-07,38,1,120,https://cir.nii.ac.jp/crid/1360861714207457408,https://doi.org/10.1016/s0015-0282(16)46415-0