Bone Marrow Biopsy Is Still Indispensable for Evaluating Bone Marrow Involvement in DLBCL Patients Even in the PET/CT Era - Saiki, Yusuke; Tomita, Naoto; Uchida, Akiko; Yokoi, Satoshi; Nishio, Yuji; Suzuki, Yoshinori; Isobe, Yasushi; Sakai, Hirotaka; Kato, Masayuki; Hoshikawa, Masahiro; Kawano, Tsuyoshi; Nakamura, Naoya; et al. (Blood, 2018)