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Hi there,
I am hoping someone might be able to help me with this update search problem. I need to find all the papers that have been added to Medline (which match my search) since I last ran my search. Here is the process I went through to try and do that:
1. I ran a search in Medline on the 29th January 2013 and found 12047 papers.
2. I re-ran the search today and found 12547 papers (step 33)
3. So there are 500 extra papers that have been found.
4. I searched for all papers added to the database since the 29th January using the entry date field (step 34)
5. I expected to find 500 papers
6. I actually only found 245 (step 35)
7. Where are the other 255?!
Here is the last few steps of my search:
32 | limit 31 to english language | 13991 |
33 | limit 32 to yr="1990 -Current" | 12547 |
34 | ("20130128" or "20130129" or "20130130" or "20130131" or "20130201" or "20130202" or "20130203" or "20130204" or "20130205" or "20130206" or "20130207" or "20130208" or "20130209" or "20130210" or "20130211" or "20130212" or "20130213" or "20130214" or "20130215" or "20130216" or "20130217" or "20130218" or "20130219" or "20130220" or "20130221" or "20130222" or "20130223" or "20130224" or "20130225" or "20130226" or "20130227" or "20130228" or "20130301" or "20130302" or "20130303" or "20130304" or "20130305" or "20130306" or "20130307" or "20130308" or "20130309" or "20130310" or "20130311" or "20130312" or "20130313" or "20130314" or "20130315" or "20130316" or "20130317" or "20130318" or "20130319" or "20130320" or "20130321" or "20130322" or "20130323" or "20130324" or "20130325" or "20130326" or "20130327" or "20130328" or "20130329" or "20130330" or "20130331" or "20130401" or "20130402" or "20130403" or "20130404" or "20130405" or "20130406" or "20130407" or "20130408" or "20130409" or "20130410" or "20130411" or "20130412" or "20130413" or "20130414" or "20130415" or "20130416" or "20130417" or "20130418" or "20130419" or "20130420" or "20130421" or "20130422" or "20130423" or "20130424" or "20130425" or "20130426" or "20130427" or "20130428" or "20130429" or "20130430" or "20130501" or "20130502" or "20130503" or "20130504" or "20130505" or "20130506" or "20130507" or "20130508" or "20130509" or "20130510" or "20130511" or "20130512" or "20130513" or "20130514" or "20130515" or "20130516" or "20130517" or "20130518" or "20130519" or "20130520" or "20130521" or "20130522").ed. | 228599 |
35 | 33 and 34 | 245 |
I have played around with using the ‘revision date’ field and the ‘update date’ field but that doesn’t find all 500 either. I am sure I am missing something obvious so apologies if I am but any help would be much appreciated!
Many thanks in advance.
Sally
Sally Dalton BA Hons, MSc
Faculty Team Librarian (Dentistry and Psychology)
Health Sciences Library
Level 7
Worsley Building
University of Leeds
LS2 9JT
0113 34 36974
Twitter: @lulhealthteam