The 22nd Conference on Priorities in Perinatal Care in ...

The first field indicates the obstacle or facilitator. The environmental factor requires 10 fields, since the classification may contain up to 5 categories. Given that there can be more than 10 elements per category, we have to allow for two fields per category (i.e.: item 2.2.3.11 will be coded 0202031100). ................
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