TY - GEN AU - Tokimatsu,I AU - Nasu,M TI - [Opportunistic infection] SN - 0047-1852 PY - 2002///0308 KW - Bone Marrow Transplantation KW - Collagen Diseases KW - complications KW - Databases, Factual KW - HIV Infections KW - Hematologic Neoplasms KW - Humans KW - Immunocompromised Host KW - Internet KW - Lung Neoplasms KW - Opportunistic Infections KW - Organ Transplantation KW - Pneumonia N1 - Publication Type: Journal Article; Review ER -