Department of Internal Medicine;
Medical Attention Center;
General Checkups;
Medical Exams and Consultations;
Wheelchair Center (BANDESIR);
Caracas;
Venezuela;
Coloproctology Unit;
Caracas University Hospital (HUC);
Caracas;
Venezuela;
Center for Electron Microscopy;
Sciences Faculty;
Central University of Venezuela;
Caracas;
Venezuela;
Department of Infectious Diseases;
University Hospital of Caracas (HUC);
Caracas;
Venezuela;
School of Biology;
Faculty of Sciences;
Central University of Venezuela;
Caracas;
Venezuela;
Research Assistant Department of Electronic Microscopy;
Venezuelan Institute of Scientific Research (IVIC);
Altos de Pipe;
Venezuela;
Anorectal; Pathologies; HIV/AIDS; Transmission; Electron; Microscopy; (TEM); Nanometric; Scales; Rectal; Mucosa; Caveolae; Endothelial; Cell; Nano-Drugs;