*Vertices 4
1 "AmJNurs" 0.0 0.0 0.0 x_fact 1.070546 y_fact 1.427395
2 "AnnInternMed" 0.0 0.0 0.0 x_fact 14.932748 y_fact 23.648092
3 "JamaJAmMedAssoc" 0.0 0.0 0.0 x_fact 15.797420 y_fact 37.290694
4 "NewEnglJMed" 0.0 0.0 0.0 x_fact 10.828987 y_fact 37.633818
*Matrix 
0.000000 0.799336 0.813157 0.810872 
0.799336 0.000000 0.802086 0.778147 
0.813157 0.802086 0.000000 0.718792 
0.810872 0.778147 0.718792 0.000000