1. Nine centuries of cranial surgery
Prof José María López Piñero, PhD 
The Lancet 
Volume 354, (December 1999)
DOI: /S (99)
Copyright © 1999 Elsevier Ltd Terms and Conditions

2. The Lancet 1999 354, DOI: (10.1016/S0140-6736(99)90378-1)
Copyright © 1999 Elsevier Ltd Terms and Conditions

3. Cranial trepanning
Engraving from Andrea Della Croce, Chirurgiae Libri Septem. Venice, G Zilletti, 1573 (Biblioteca Histórico-médica, Valencia, Spain).
The Lancet  , DOI: ( /S (99) )
Copyright © 1999 Elsevier Ltd Terms and Conditions