TY - GEN AU - Shimizu,M AU - Anzai,I TI - Measurement of airborne radon concentrations at several sites in a radioactivity research laboratory SN - 1343-4934 PY - 1999///0902 KW - Air Pollutants, Radioactive KW - analysis KW - Air Pollution, Indoor KW - Laboratories, Dental KW - Radiometry KW - instrumentation KW - Radon N1 - Publication Type: Journal Article UR - https://doi.org/10.2334/josnusd.41.67 ER -