{"name":"Paul D. van Helden","orcid":"0000-0002-1557-2496","affiliation":"South African Medical Research Council","id":441818,"datarank":0.0,"percentile_rank":0.0,"paper_count":1,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}