Article Title,Year,Volume,Issue,Page Range,Author Case of acute poisoning by isonicotinic acid hydrazide,1955,12,137,559-562,Gonzalez-meneses pardo Study of spinal injuries in pyrite mines,1964,21,,541-544,Devegaruiz Paraplegia in occupational accidents in seville,1964,21,,281-284,Ballesterhoys