Assertion: forceful vomiting | /r/CreatedBy | a thickening of the muscle
Facets:
value: between four months of age
type: OTHER
value: between two weeks
type: TEMPORAL
value: at the stomach exit
type: LOCATION
Source sentences:
text: Between two weeks and four months of age, persistent forceful vomiting may be caused by a thickening of the muscle at the stomach exit.