API Overview
The public API is organized by module (mirrors the package layout):
paper_retriever
— single-paper retrieval with OA-first logic and optional Sci-Hub fallbackpubmed_searcher
— programmatic PubMed search → DataFrame pipelineimage_extractor
— extract figures from PDFsreference_retriever
— fetch references and cited-bypaper_tracker
— upstream/downstream citation networkutils
— small helpers for power users