TY  - RPRT
TI  - [Backache during pregnancy can be relieved by exercise].
AU  - G Zetherström
AU  - E Roos-Hansson
AU  - B Svanberg
AU  - H C Ostgaard
PY  - 1992
UR  - https://pubmed.ncbi.nlm.nih.gov/1534596/
ID  - 1534596
ER  -