Chandra, S., Rethlefsen, M.L., Pickering, B.W., Homan, J.M., Gajic, O. and Herasevich, V. 2011. Adding the PubMed unique identifi er to journal article references without increasing the bulkiness of the journal. Acta Medica Academica. 40, 2 (Nov. 2011), 194.