Classification
HDS - Neurophysiology, neuroanatomy
25
HDE - Neurology - general aspects
20
HDF - Brain - anatomy, function, disorders
17
HDG - Psychology, psychiatry
17
CHT - Chemistry of solutions and mixtures
13
HDH - Neuropsychology
13
LCK - Ecology - general aspects
10
ACE - Germanic languages, Indo-Germanic languages
9
EXA - Energy policy
9
LGT - Neurobiology, neurophysiology
9
PBA - Quantum theory
9
YPB - Economy - general aspects
9
CHA - Physical chemistry - comprehensive works
8
HCR - Imaging techniques in medicine
8
AHK - Scientific work
7
FHEG - Tunneling microscopy, force microscopy
7
L - Life sciences ( journals )
7
AHP - Philosophy
6
CAA - Chemistry - reference books
6
FCA - Crystallography
6
HBG - Molecular biology in medicine, human genetics
6
MWG - Simulation, Monte Carlo method, random numbers
6
THQ - Fluid mechanics and dynamics
6
CHN - Quantum chemistry
5
CLA - Reaction kinetics
5
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
5
DAE - Information technology - general
5
FFJE - Molecular surface processes, gas surface interaction, adsorption
5
FGN - Nanotechnology
5
FHGB - Conventional electron microscopy
5
FJC - Electronic properties of solids
5
FJCB - Energy bands and electronic transport in solids
5
FJH - Semiconductor physics
5
FJLB - Physics of semiconductor devices
5
FLB - Quantum liquids, quantum crystals
5
LAM - Biology - theoretical and philosophical fundamentals
5
LGTA - Functional neuroanatomy
5
LONI - Genes, chromosomes
5
AHM - Theory of science
4
AHPC - Ethics
4
CBB - Inorganic chemistry - comprehensive works
4
CHX - Chemical thermodynamics
4
CUO - Molecular spectroscopy
4
FCAB - X-ray crystallography, X-ray diffraction
4
FHN - Neutron scattering
4
FKAB - Theory of magnetism
4
HAM - Medicine - theoretical and philosophical fundamentals
4
HTE - Oncology - general
4
HVC - Cardiology, circulatory system, blood pressure
4
LAN - Biology - mathematical methods, statistics
4
more ...