00637nam a22002057a 4500003000900000005001700009008004100026020001600067040001700083041000800100100001900108100001700127245006200144264005800206300001400264490005700278650003100335650002000366856004500386PH-MaWHO20260407093820.0260407b        |||||||| |||| 00| 0 eng d  a92890112033  cWPRO Library  aeng  aFlorey C du V.  aLeeder, S.R.  aMethods for cohort studies of chronic airflow limitation.  aCopenhagen : bWHO Regional office for Europe,c1982.  a134 pages  aWHO Regional publications, European series ;vno. 12  aRespiratory tract diseases  aData collection  uhttps://iris.who.int/handle/10665/272812