ApaI polymorphisms of the vitamin D receptor predict bone density of the lumbar spine and not racial difference in bone density in young men.
                             
                            
                            
                                
                            
                            
                                
                            
                            
                            
                                
                                    
                                            
    ApaI polymorphisms of the vitamin D receptor predict bone density of the lumbar spine and not racial difference in bone density in young men. J Lab Clin Med. 2001 Feb; 137(2):133-40.