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PetitYersin. Photo ralis par Pierre Petit Photographed by Pierre Petit Alexandre mile Jean Yersin mdecin et bactriologiste Institution Muse d'Orsay accession number object history credit line photo rmn fr aspx Total FP KKTSUTAJLMG SID KKTSUTAJLMG New Pic SubE CNUVQFJP Runion des muses nationaux own Rvalette edited by Jaybear