TY  - RPRT
TI  - A new multichannel external tocograph.
AU  - M P EMBREY
PY  - 1955
DO  - 10.1111/j.1471-0528.1955.tb14088.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14354484/
ID  - 14354484
ER  -