@inproceedings{agarwal-etal-2025-cogstack, title = "{C}og{S}tack-{KCL}-{UCL} at {A}rch{EHR}-{QA} 2025: Investigating Hybrid {LLM} Approaches for Grounded Clinical Question Answering", author = "Agarwal, Shubham and Searle, Thomas and Noor, Kawsar and Dobson, Richard", editor = "Soni, Sarvesh and Demner-Fushman, Dina", booktitle = "BioNLP 2025 Shared Tasks", month = aug, year = "2025", address = "Vienna, Austria", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/acl25-workshop-ingestion/2025.bionlp-share.16/", pages = "126--135", ISBN = "979-8-89176-276-3" }