![](/img/cover-not-exists.png)
The variability of expiration peak flow of workers employed in the washing installation (laundry) of Haji Adam Malik general hospital Medan
Saragih, W, Tarigan, A P, Nainggolan, N, Eyanoer, P CVolume:
125
Journal:
IOP Conference Series: Earth and Environmental Science
DOI:
10.1088/1755-1315/125/1/012150
Date:
March, 2018
File:
PDF, 759 KB
2018