title: PEFR in cement pipe factory workers in relation to smoking.
authors.forename: S
authors.initials: S
authors.lastname: Hussian
authors.forename: M
authors.initials: M
authors.lastname: Shakeel-ul-Rehman
authors.forename: M A
authors.initials: MA
authors.lastname: Ahmed
authors.forename: M S
authors.initials: MS
authors.lastname: Rafiq
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008448:Maximal Expiratory Flow Rate; D016273:Occupational Exposure / Q000009:adverse effects*; D012907:Smoking / Q000009:adverse effects*