*Vertices 4
1 "diagnosis; surgery; identification" 0.0 0.0 0.0  x_fact 1.098612 y_fact 1.098612
2 "dentistry; oral or dental hygiene" 0.0 0.0 0.0  x_fact 0.693147 y_fact 0.693147
3 "filters implantable into blood vessels; prostheses; orthopaedic,..." 0.0 0.0 0.0  x_fact 1.386294 y_fact 1.386294
4 "devices for introducing media into, or onto, the body; devices for..." 0.0 0.0 0.0  x_fact 0.693147 y_fact 0.693147
*Matrix
1.000000 0.000000 0.447214 0.948683
0.000000 1.000000 0.000000 0.000000
0.447214 0.000000 1.000000 0.707107
0.948683 0.000000 0.707107 1.000000