collapse_rows           Collapse a list of PubMed Central tables
extract_acronyms        Find acronyms in parentheses
path_string             Print a hierarchical path string
pmc_caption             Split captions into sentences
pmc_metadata            Get article metadata
pmc_reference           Format references cited
pmc_table               Convert table nodes to tibbles
pmc_text                Split section paragraphs into sentences
pmc_xml                 Download XML from PubMed Central
repeat_sub              Repeat table subheadings
separate_refs           Separate references cited into multiple rows
separate_tags           Separate locus tag into multiple rows
separate_text           Separate all matching text into multiple rows
