RT Journal Article SR Electronic T1 Assaying for circulating osteopontin in practice: a technical note JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1187 OP 1188 DO 10.1183/09031936.00160609 VO 35 IS 5 A1 D. Constantinescu A1 M. Vornicu A1 C. Grigoriu A1 C. Cozmei A1 B. D. Grigoriu YR 2010 UL http://erj.ersjournals.com/content/35/5/1187.abstract AB