Serum amino-terminal pro-brain natriuretic peptide in hematological patients with neutropenic fever: a prospective comparison with C-reactive protein. - Hämäläinen, Sari; Juutilainen, Auni; Kuittinen, Taru; Nousiainen, Tapio; Matinlauri, Irma; Pulkki, Kari; Koivula, Irma; Jantunen, Esa (Leukemia & Lymphoma, 2010)