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D. Anger, D. Besnard, A. Pathologique, A. Richard, D. Petit-arras-;-dr-raymond-gelle et al., Centre de Pathologie, Bièvres; Dr Bruandet, Centre Hospitalier General, Blois ; Dr Angonin, Hôpital de Fleyriat, Bourg-en-Bresse ; Dr Lavignac, Cabinet d'Anatomie Pathologique, Cliniques UCL Saint Luc, Bruxelles ; Dr Dargent, Institut Jules Bordet, Bruxelles ; Dr RousselotLoverval

D. Savin-de-lannclause, L. Institut-histo-pathologique, . Bouscat-;-dr, D. Boidart, A. Legendre et al., Hôpital Dupuytren, Limoges ; Dr Koeb, Cabinet de Pathologie, Lyon ; Dr De La Fouchardière, Centre Léon Berard, Lyon ; Dr Economides, Anatomie Pathologique, Lyon ; Dr Allias, Hôpital de la Croix Rousse, Lyon ; Dr Vitrey, Hôpital Hôtel Dieu, Lyon ; Dr Lamy, Anatomie Pathologique, Nevers ; Dr Spiekermann, Anatomie Pathologique, Nevers ; Dr Pignodel, Centre Hospitalier Régional, Nîmes ; Dr D'Artigues, Centre de Pathologie, Centre René Huguenin