TY  - RPRT
TI  - Specific gravity changes during the development of the sheep foetus.
AU  - S K STEPHENSON
AU  - J ROBERTS
PY  - 1962
DO  - 10.1038/196788a0
UR  - https://pubmed.ncbi.nlm.nih.gov/13983908/
ID  - 13983908
ER  -