Recent ichthyological surveys in southern Mexico resulted in the unexpected discovery of populations of P. chimalapensis outside its distribution range, broadening its extent of occurrence to a total of three river basins (Coatzacoalcos [original], Grijalva, Ostuta) and two versants (Atlantic [original] and Pacific). The taxonomic nature of these populations was further investigated using comparative genetic data in a phylogenetic framework.
View Article and Find Full Text PDFStudy Design: Retrospective study.
Objective: We examined racial disparities in (1) cervical disc arthroplasty (CDA) versus anterior cervical discectomy and fusion (ACDF) utilization and (2) CDA in-hospital outcomes.
Summary Of Background Data: ACDF and CDA are established treatments for cervical disc disease.