Method	electron crystallography	helical	single particle	subtomogram averaging	electron tomography	sum
electron crystallography	487	0	0	0	0	487
subtomogram averaging	0	0	0	3464	0	3464
helical	0	4550	0	0	0	4550
single particle	0	0	82844	0	0	82844
electron tomography	0	0	0	0	2976	2976