TY - RPRT TI - Decrease in expression of bone morphogenetic proteins 4 and 5 in synovial tissue of patients with osteoarthritis and rheumatoid arthritis. AU - Carsten P Bramlage AU - Thomas Häupl AU - Christian Kaps AU - Ute Ungethüm AU - Veit Krenn AU - Axel Pruss AU - Gerhard A Müller AU - Frank Strutz AU - Gerd-R Burmester PY - 2006 DO - 10.1186/ar1923 UR - https://pubmed.ncbi.nlm.nih.gov/16542506/ ID - 16542506 ER -