title: Smoking and physical fitness: a preliminary report.
authors.forename: R G
authors.initials: RG
authors.lastname: Glassford
authors.forename: M L
authors.initials: ML
authors.lastname: Howell
references.citation: JAMA. 1963 Dec 7;186:885-9
references.pmid: 14064220
references.citation: Ann Intern Med. 1965 Feb;62:197-207
references.pmid: 14259204
references.citation: Ann Intern Med. 1964 Apr;60:603-10
references.pmid: 14138880
references.citation: Am Rev Respir Dis. 1962 Feb;85:191-9
references.pmid: 13911320
references.citation: J Appl Physiol. 1963 Mar;18:357-60
references.pmid: 14020691
references.citation: Calif Med. 1958 Mar;88(3):211-20
references.pmid: 13511213