TY  - RPRT
TI  - Serum markers of bone metabolism show bone loss in hibernating bears
AU  - S.W. Donahue
AU  - M.R. Vaughan
AU  - L.M. Demers
AU  - H.J. Donahue
PY  - 2003
UR  - https://pubs.usgs.gov/publication/70025991
ID  - 70025991
ER  -