The Puerto Rico Health Sciences Journal (PRHSJ) is the scientific journal of the University of Puerto Rico Medical Sciences Campus. It was founded in 1982 as a vehicle for the publication of reports on scientific research conducted in-campus, Puerto Rico and abroad. All published work is original and peer-reviewed. The PRHSJ is included in PubMed/Medline, SCOPUS, Latindex, EBSCO, SHERPA/RoMEO, Science Citation Index Expanded (SciSearch??) and Journal Citation Reports/Science Edition. All papers are published both online and in hard copy. From its beginning, the PRHSJ is being published regularly four times a year. The scope of the journal includes a range of medical, dental, public health, pharmaceutical and biosocial sciences research. The journal publishes full-length articles, brief reports, special articles, reviews, editorials, case reports, clinical images, and letters arising from published material.