A Simply-constructed Micro-extractor for Blood Analysis* Get access J. Jerry Lash J. Jerry Lash From the Division of Research, Elmer Belt Urologic Group, Los Angeles 5, California Search for other works by this author on: Oxford Academic Google Scholar American Journal of Clinical Pathology, Volume 18, Issue 7_ts, July 1948, Pages 584–586, https://doi.org/10.1093/ajcp/18.7_ts.584 Published: 01 July 1948 Article history Received: 30 October 1947 Published: 01 July 1948