find_entry: Find an ontology term based on value of an element
In dlindholm/oboe: Open Biomedical Ontology Extraction Tools (oboe)

Searches for a string in an element of an ontology and returns a logical vector, which could be used to subset the ontology.

1	find_entry(ontology, element, string)

`ontology`	a list (of class ontology) in which to look
`element`	in which element of the ontology should the search be done, in disease ontology, you could e.g. provide "xref" to look at cross-references, or "id" to look at specific entries
`string`	a character string to search for, e.g. "ICD10CM:I10".