TY - RPRT TI - Collaborative research presents special problems for patent seekers. AU - Leigh W Thorne AU - Edward R Ergenzinger AU - W Murray Spruill PY - 2004 DO - 10.1038/nbt0704-901 UR - https://pubmed.ncbi.nlm.nih.gov/15229550/ ID - 15229550 ER -