Sirit, Y., M. Bellorín, A. Lubo, and R. Martínez. “Application of Universal Precautions Against Human Immunodeficiency Virus. Study Carried Out in Hospitals of the Venezuelan Social Security Institute”. Kasmera, Vol. 31, no. 2, Nov. 2003, pp. 91-103, https://produccioncientifica.luz.edu.ve/index.php/kasmera/article/view/4721.