Benefits of Nanogold Injections to Treat Rheumatism Arthritis Complaints: A Case Study on Covid19 Clinical Test VolunteersTitik Taufikurohmah, Rusmini Rusmini and Djodjok SoepardjoE3S Web Conf., 328 (2021) 01017DOI: https://doi.org/10.1051/e3sconf/202132801017