TY  - JOUR
PY  - 1944//
TI  - Studies in dark adaptation as a means of detecting deficiency of vitamin "a"
JO  - British journal of ophthalmology
A1  - Robertson, G. W.
A1  - Yudkin, J.
SP  - 556
EP  - 568
VL  - 28
IS  - 11
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p>
LA  - en
SN  - 0007-1161
UR  - http://dx.doi.org/
ID  - ref1
ER  -