Identify a cited paper. You can input a PubMed ID directly or via a PubMed search. Input a PubMed ID Try : 23193287 OR Input keywords You can use search options such as a publication year / a journal conditions like apoptosis 1995:2000[dp] "J Biol Chem"[jour] Try : iPS 2006:2008[dp] "Cell"[jour] Then, hit the enter key or press the "Search" button.