TY - RPRT TI - Screening for asthma by population ranking: a validation study. AU - Sybil Hirsch AU - Timothy L Frank AU - Michelle Hazell AU - Peter I Frank PY - 2005 DO - 10.1016/j.annepidem.2004.03.006 UR - https://pubmed.ncbi.nlm.nih.gov/15571995/ ID - 15571995 ER -