If you are looking for information published in a particular journal, you need to search by the journal title. To search a journal, you may enter one of the three terms in the Basic Search box:
However, some single term journal titles can also be searched as subjects: e.g. Blood, Circulation, Science, etc. In these cases, you must use the Journal field in the Advanced Search Mode to search for these kinds of journals. See the illustration below for an advanced search for a journal title:
If you want to find detailed information about a particular journal, you may search NLM's Catalog for your desired journal title. You may access the NLM Catalog for journal search box by clicking Journal at the bottom of the PubMed website. See below: