*Vertices 4
1 "BHistMed" 0.0 0.0 0.0 x_fact 0.351464 y_fact 0.820084
2 "BritMedJ" 0.0 0.0 0.0 x_fact 12.368201 y_fact 52.401674
3 "JHistMedAllSci" 0.0 0.0 0.0 x_fact 1.690377 y_fact 1.824268
4 "Lancet" 0.0 0.0 0.0 x_fact 9.372385 y_fact 44.953975
*Matrix 
0.000000 0.000000 0.432520 0.211282 
0.000000 0.000000 0.933119 0.528064 
0.432520 0.933119 0.000000 0.701430 
0.211282 0.528064 0.701430 0.000000