TY JOUR TI SPECT with 67Ga Citrate in the Diagnosis of Systemic Sarcoidosis KW sarcoidosis KW 67Ga-citrate KW SPECT JO Medical Radiology and radiation safety AU Zolotnitskaia, V.P. AU Amosov, I.V. AU Baranova, O.P. AU Litvinov, A.P. AU Amosov, V.I. AU Speranskaia, A.A. AU Ratnikov, V.A. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia