TY  - RPRT
TI  - Quantity, quality, and responsibility in aging research.
AU  - L Hayflick
PY  - 1971
DO  - 10.1093/geront/11.1_part_1.68
UR  - https://pubmed.ncbi.nlm.nih.gov/4996189/
ID  - 4996189
ER  -