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NCBI esearch on multiple database

I'm currently using the NCBI esearch API to fetch informations on several organism.

The URL looks like 

esearch.fcgi?db=database&term=query

where db is the database used for the query. Is it possible to pass severals databases instead of one?

for example, the query would look like 

esearch.fcgi?db=protein,nucleotide&term=query
ncbi esearch sequence
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updated by Pierre Lindenbaum Pierre Lindenbaum • written by peteladrien • peteladrien

1 answer

Performing a Global Entrez Search : https://www.ncbi.nlm.nih.gov/books/NBK25500/#chapter1.Performing_a_Global_Entrez_Sear

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written by Pierre Lindenbaum Pierre Lindenbaum

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