Romagnuolo, Giuseppe. “THE ESSENCE AND THE MEANINGS OF SURGERY FIRST PART - THE ORIGIN OF SURGERY: DETER MINISTIC FACTORS AND CONTEXTS”. Annali Italiani Di Chirurgia, vol. 72, no. 4, July 2001, pp. 393-6, https://annaliitalianidichirurgia.it/index.php/aic/article/view/1203.