TY - RPRT TI - Pulmonary function study in normal Thai children; comparison of spirometric measurements using simple vitalor respirometer and standard spirometer. AU - S Suwanjutha AU - S Watthana-Kasetr AU - V Inthraphuvasak AU - K Vongvivat AU - J Kittikool PY - 1984 UR - https://pubmed.ncbi.nlm.nih.gov/6520575/ ID - 6520575 ER -