BibTex format
@article{XU:1993:10.1038/icb.1993.61,
author = {XU, XN and BECKMAN, I and AHERN, M and BRADLEY, J},
doi = {10.1038/icb.1993.61},
journal = {IMMUNOLOGY AND CELL BIOLOGY},
pages = {549--557},
title = {A COMPREHENSIVE ANALYSIS OF PERIPHERAL-BLOOD LYMPHOCYTES IN HEALTHY AGED HUMANS BY FLOW-CYTOMETRY},
url = {http://dx.doi.org/10.1038/icb.1993.61},
volume = {71},
year = {1993}
}