TY - JOUR AU - Dominique Costagliola TI - Observation versus intervention in the evaluation of drugs: the story of hormone replacement therapy JO - Comptes Rendus. Biologies PY - 2007 SP - 347 EP - 355 VL - 330 IS - 4 PB - Elsevier DO - 10.1016/j.crvi.2007.02.011 LA - en ID - CRBIOL_2007__330_4_347_0 ER -