TEST_PMID = "31025164" # PMID invalid (expecting 31025164) TEST_BIBTEX_ENTRY = r"""@Article{pmid31025164, Author="Egger, F. and Hofer, C. and Hammerle, F. P. and Löfler, S. and Nürnberg, M. and Fiedler, L. and Kriz, R. and Kern, H. and Huber, K. ", Title="{{I}nfluence of electrical stimulation therapy on permanent pacemaker function}", Journal="Wien Klin Wochenschr", Year="2019", Volume="131", Number="13-14", Pages="313--320", Month="Jul", Note={[DOI:\href{https://dx.doi.org/10.1007/s00508-019-1494-5}{10.1007/s00508-019-1494-5}] [PubMed:\href{https://www.ncbi.nlm.nih.gov/pubmed/9793098}{9793098}] } } """