TY  - RPRT
TI  - Changes in alpha-fetoprotein concentrations during storage at -73 degrees C.
AU  - K J Helsing
AU  - G W Comstock
AU  - H L Lau
AU  - S Linkins
PY  - 1984
UR  - https://pubmed.ncbi.nlm.nih.gov/6207961/
ID  - 6207961
ER  -