@article{doi:,
author = {Lewis, S. Mitchell},
title = {Looking Backwards to the Future:  The WHO Haemoglobin Colour Scale},
journal = {Turk J Hematol},
volume = {19},
number = {2},
pages = {185-189},
year = {2002},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}