PMC:7780429 / 5406-5714 2 Projects
Annnotations
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T40 | 0-196 | Sentence | denotes | These protective systems were mandatory among health workers, both in high-risk areas, and in general medical wards, central hospital radiology, and diagnostic imaging areas or outpatient clinics. |
T41 | 197-308 | Sentence | denotes | This involved the use of different types of more or less tight-fitting masks, and sometimes glasses or screens. |