{"study":"MRC-1","year":1974,"event.e":49,"n.e":615,"event.c":67,"n.c":624}
{"study":"CDP","year":1976,"event.e":44,"n.e":758,"event.c":64,"n.c":771}
{"study":"MRC-2","year":1979,"event.e":102,"n.e":832,"event.c":126,"n.c":850}
{"study":"GASP","year":1979,"event.e":32,"n.e":317,"event.c":38,"n.c":309}
{"study":"PARIS","year":1980,"event.e":85,"n.e":810,"event.c":52,"n.c":406}
{"study":"AMIS","year":1980,"event.e":246,"n.e":2267,"event.c":219,"n.c":2257}
{"study":"ISIS-2","year":1988,"event.e":1570,"n.e":8587,"event.c":1720,"n.c":8600}