PMID: 13107566 [PubMed - indexed for MEDLINE]
Br J Ind Med. 1952 Apr; 9(2):138-45.
[Br J Ind Med. 1952]
Arch Environ Health. 1963 Apr; 6:465-8.
[Arch Environ Health. 1963]
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[Br J Ind Med. 1962]
Dtsch Med Wochenschr. 1964 Nov 13; 89:2198-203.
[Dtsch Med Wochenschr. 1964]
Gig Tr Prof Zabol. 1964 May; 50:38-43.
[Gig Tr Prof Zabol. 1964]
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