TY - RPRT TI - Asthma, age, and early reversibility testing. AU - Ozkan Kizkin AU - Gamze Turker AU - Suleyman S Hacievliyagil AU - Hakan Gunen PY - 2003 DO - 10.1081/jas-120018631 UR - https://pubmed.ncbi.nlm.nih.gov/12807176/ ID - 12807176 ER -