TY  - RPRT
TI  - Changes in functional status during pregnancy.
AU  - K L Ales
AU  - M E Norton
PY  - 1989
DO  - 10.1097/00000441-198906000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/2735341/
ID  - 2735341
ER  -