TY - RPRT TI - Developing soil gas and 222Rn entry potentials for substructure surfaces and assessing 222Rn control diagnostic techniques. AU - B H Turk AU - J Harrison AU - R J Prill AU - R G Sextro PY - 1990 DO - 10.1097/00004032-199010000-00003 UR - https://pubmed.ncbi.nlm.nih.gov/2398009/ ID - 2398009 ER -