Table for the 3 triples with object "UNK UNK, PRN (AS NEEDED)" sorted by label

Subject	Predicate
aers:Involvement of IBUPROFEN in #8061999	aersVocab:drug dose
aers:Involvement of NEXIUM in #8120191	aersVocab:drug dose
aers:Involvement of OXYCODONE HCL AND ACETAMINOPHEN in #8065673	aersVocab:drug dose