Classification
HAA - Medicine - reference books
177
LAA - Biology - reference books
16
CAA - Chemistry - reference books
11
HYB - Public health, health politics
10
DAA - Information technology - reference books
9
PAA - Physics - reference books
9
EAA - Energy - reference books
8
GAA - Geosciences - reference books
8
TAA - Engineering sciences - reference books
8
ACZ - Lists of abbreviations
6
AHH - Universities - research
6
AQPC - Conference bibliographies and conference calendars
6
HPK - Special pharmacology, drug design
6
AQPD - Bibliographies of theses / dissertations
4
HBA - Medical physics
4
AHPC - Ethics
3
ALD - Biographies of scientists and Nobel prize winners - collected
3
HPA - Drug lists, pharmacopoeias, pharmacologic glossaries
3
LOA - Genetics - reference books
3
AJA - Directories - general
2
AMA - Education - general
2
HBG - Molecular biology in medicine, human genetics
2
HCR - Imaging techniques in medicine
2
HDA - Neurophysiology, neurology - reference books
2
HEG - Endocrinology
2
HJB - Immunology - comprehensive works
2
HPT - Toxicology
2
HTA - Oncology - reference books
2
YAA - Law, economy, social affairs - reference books
2
YDMB - Trade law
2
ACE - Germanic languages, Indo-Germanic languages
1
ACH - Romance languages
1
AET - Universities, academies - Europe
1
AHK - Scientific work
1
AQBH - Reference guides - medicine
1
AQPC - Conference bibliographies and conference calendarS
1
AQW - Biographic indexes with references
1
AZZ - Firm index - general
1
FAA - Materials research - reference books
1
HAA - Medicine - reference books
1
HAE - Popular medicine
1
HDG - Psychology, psychiatry
1
HDG - Psychology, psychiatry
1
HEA - Human physiology - reference books
1
HKE - Special pathology, pathophysiology
1
HVC - Cardiology, circulatory system, blood pressure
1
HWP - Gerontology, geriatrics
1
HWT - Anaestesiology
1
HYG - Occupational medicine, sports medicine
1
LGTA - Functional neuroanatomy
1
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