Avelumab in patients with previously treated metastatic Merkel cell carcinoma Avelumab in patients with previously treated metastatic Merkel cell carcinoma: long-term data and biomarker analyses from the single-arm phase 2 JAVELIN Merkel 200 trial Avelumab in patients with previously treated metastatic Merkel cell carcinoma_ long-term data and biomarker analyses from the single-arm phase 2 JAVELIN Merkel 200 trial RETOUR MarcGuevreguian2021-03-22T19:49:58+01:00