00507naa a2200169 a 450000100080000000500110000800800410001910000140006024501340007426000090020865000130021765000140023065300120024470000160025670000130027277300520028516166881995-06-27       1992    bl uuuu     u00u1 u    #d1 aOLSEN, P.  aSurface antigens present on vegetative Rhizobium meliloti cells may be diminished or absent when cells are in the bacteroid form.  c1992  aEcologia  aTaxonomia  aRIZOBIO1 aCOLLINS, M.1 aRICE, W.  tCan. J. Microbiol.gv.38, n.6, p.506-509, 1992.