Method	electron crystallography	helical	single particle	subtomogram averaging	electron tomography	sum
electron crystallography	473	0	0	0	0	473
subtomogram averaging	0	0	0	3370	0	3370
helical	0	4385	0	0	0	4385
single particle	0	0	78830	0	0	78830
electron tomography	0	0	0	0	2920	2920