TY - JOUR AU - Michaƫl Manuel TI - Early evolution of symmetry and polarity in metazoan body plans JO - Comptes Rendus. Biologies PY - 2009 SP - 184 EP - 209 VL - 332 IS - 2-3 PB - Elsevier DO - 10.1016/j.crvi.2008.07.009 LA - en ID - CRBIOL_2009__332_2-3_184_0 ER -