TY  - RPRT
TI  - A comparison between the x-ray absorption and optical interference methods for the mass determination of biological structures.
AU  - H G DAVIES
AU  - A ENGSTROM
AU  - B LINDSTROM
PY  - 1953
DO  - 10.1038/1721041a0
UR  - https://pubmed.ncbi.nlm.nih.gov/13111249/
ID  - 13111249
ER  -