Corresponds to a specific digital pattern paper SKU used for crafting.
Corresponds to an article about COVID-19 respiratory infections in the journal Medicina Intensiva . : 502230_471218
Corresponds to a PhD thesis on English as a Lingua Franca at the University of Southampton. Corresponds to a specific digital pattern paper SKU
The identifiers and "471218" do not correspond to a single specific research paper or recognized academic document. Instead, they match separate entities in various databases: 502230 : 502230_471218