Uuskula, A. Vickerman, P. Raag, M. Walker, J. Paraskevis, D. Eritsyan, K. Sypsa, V. Lioznov, D. Avi, R. Jarlais, D.D., Presenting a conceptual framework for an HIV prevention and care continuum and assessing the feasibility of empirical measurement in Estonia: A case study, PLOS ONE, (15), 2020, Public Library of Science,