- Medical School
- San Juan Bautista School of Medicine (2010)
- Hospital Oncologico (2011), Medicine
- University of Puerto Rico School of Medicine, Medical Science Campus (2014), Pathology
- UT Southwestern Medical Center (2015), Cytopathology
- UT Southwestern Medical Center (2016), Gynecologic Pathology
- Cervical cancer, endometrial cancer, endocervical adenocarcinoma
- PI3K Pathway Effectors pAKT and FOXO1 as Novel Markers of Endometrioid Intraepithelial Neoplasia.
- Strickland AL, Rivera G, Lucas E, John G, Cuevas I, Castrillon DH Int. J. Gynecol. Pathol. 2018 Sep
- Lymphangioleiomyomatosis diagnosed by effusion cytology: A case report.
- Rivera G, Gokaslan T, Kurian EM J Cytol 2015 Oct-Dec 32 4 287-9
- Wandering spleen torsion causing acute abdominal pain in a child: case report and review of literature.
- Llorens Marina CI, Cedeño A, Lugo-Vicente H, Chapel C, Rivera G, Diaz A Bol Asoc Med P R 2014 106 1 57-9
- American Medical Association (AMA) (2018)
- American Society of Cytopathology (ASC) (2018)
- International Society of Gynecologic Pathology (2016)
- American Society of Clinical Pathology (2011)