TY - RPRT TI - A passive diffusion 222Rn sampler based on activated carbon adsorption. AU - H M Prichard AU - K Mariƫn PY - 1985 DO - 10.1097/00004032-198506000-00007 UR - https://pubmed.ncbi.nlm.nih.gov/3997530/ ID - 3997530 ER -