I've highlighted the ones that are most commonly used. Full descriptions of the database fields and how they work are avaiable from the Ovid site
A list of limits is also available.
Abstract (AB) |
Grant / Sponsorship (GS) |
Publication Month/Season (MO) |
Accession Number (AN) |
Heading Word (HW) |
Publication Type (PT) |
Age Group (AG) |
Institution (IN) |
Publisher Information (PU) |
Author (AU) |
Intended Audience (IA) |
Publisher Location (PL) |
Auxiliary Material (SV) |
ISBN (IB) |
Reprint Year (RY) |
Book Series Title (ST) |
ISSN Electronic (IT) |
Reviewed Item (RV) |
Cited References (RF) |
ISSN Print (IS) |
Reviewed Item Author (RU) |
Cited Reference Author (CU) |
Issue/Part (IP) |
Reviewed Item ISBN (RI) |
Cited Reference Author Word (CT) |
Journal Name (JN) |
Reviewed Item Other Info (RO) |
Cited Reference Date (CB) |
Journal Word (JW) |
Reviewed Item Title (RT) |
Cited Reference DOI (CD) |
Key Concepts (ID) |
Reviewed Item Translated Title (RL) |
Cited Reference Publisher (CE) |
Language (LG) |
Reviewed Item Year (RR) |
Cited Reference Source (CS) |
Local Messages (LM) |
Special Issue Title (SI) |
Cited Reference Title (CV) |
Locally Held (LH) |
Source (SO) |
Classification Code Word (CW) |
Location (LO) |
Subject Headings (SH) |
Classification Code (CC) |
Methodology (MD) |
Table of Contents (TC) |
Conference Information (CF) |
Notes (NT) |
Test & Measures (TM) |
Correction Date (CH) |
Number of Cited References (NR) |
Textword (TW) |
Corporate/Institutional Author (CA) |
Original Title (OT) |
Title (TI) |
Conference Note (CN) |
Other Publisher (OC) |
Translated Book Series Title (OS) |
Correspondence Address (CQ) |
Other Serial Titles (OL) |
Translated Parent Book Title (OP) |
Digital Object Identifier (DO) |
Pagination (PG) |
Type of Book (BY) |
Document Type (DT) |
Parent Book Author (PA) |
Update Code (UP) |
E-mail Address (MA) |
Parent Book Institutional Author (PI) |
UMI Dissertation Order Number (ON) |
Format Availability (MT) |
Parent Book Title (BT) |
Volume (VO) |
Format Covered (FO) |
Population Group (PO) |
Year of Publication (YR) |