REYNOLDS, S R M A multi-channel strain-gage tokodynamometer; an instrument for studying patterns of uterine contractions in pregnant women. [electronic resource] - Bulletin of the Johns Hopkins Hospital Apr 1948 - 446-69 p. digital Publication Type: Journal Article ISSN: 0097-1383 Subjects--Topical Terms: FemaleHumansPregnancyUterine ContractionUterus