TY - RPRT TI - The infant lung function model: a mechanical analogue to test infant lung function equipment. AU - U Frey AU - B Reinmann AU - J Stocks PY - 2001 DO - 10.1183/09031936.01.17407550 UR - https://pubmed.ncbi.nlm.nih.gov/11401074/ ID - 11401074 ER -