TY - RPRT TI - Estimating sampling frequency in pollen exposure assessment over time. AU - Junxiang Luo AU - Rakesh Shukla AU - Atin Adhikari AU - Tiina Reponen AU - Sergey A Grinshpun AU - Qi Zhang AU - Grace K LeMasters PY - 2006 DO - 10.1039/b605440d UR - https://pubmed.ncbi.nlm.nih.gov/16951756/ ID - 16951756 ER -