TY  - RPRT
TI  - Vitamin C and the common cold: a second MZ Cotwin control study.
AU  - A B Carr
AU  - R Einstein
AU  - L Y Lai
AU  - N G Martin
AU  - G A Starmer
PY  - 1981
DO  - 10.1017/s0001566000006450
UR  - https://pubmed.ncbi.nlm.nih.gov/7048833/
ID  - 7048833
ER  -