Reconstructing population history using JC virus: Amerinds, Spanish, and Africans in the ancestry of modern Puerto Ricans.
                             
                            
                            
                                
                            
                            
                                
                            
                            
                            
                                
                                    
                                            
    Fernandez-Cobo M, Jobes DV, Yanagihara R, Nerurkar VR, Yamamura Y, Ryschkewitsch CF, Stoner GL. Reconstructing population history using JC virus: Amerinds, Spanish, and Africans in the ancestry of modern Puerto Ricans. Hum Biol. 2001 Jun; 73(3):385-402.