Experimental in vivo acute and chronic biomechanical and histomorphometrical comparison of self-drilling and self-tapping anterior cervical screws - Porto, Maximiliano Aguiar; Silva, Patrícia; Rosa, Rodrigo; Volpon, Jose Batista; Shimano, Antonio Carlos; Paula, Francisco Jose Albuquerque de; Defino, Helton Luiz Aparecido (European Spine Journal, 2012)