TY  - RPRT
TI  - Biologic changes of aging.
AU  - J Hayter
PY  - 1974
DO  - 10.1111/j.1744-6198.1974.tb00571.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4498720/
ID  - 4498720
ER  -