Research index·Journal articleSUBSCRIPTIONSOccupational Medicine·1 Jan 1977DOI10.1093/occmed/27.1.42Journal articleSUBSCRIPTIONSOccupational Medicine · 1977 · SubscriptionDOI10.1093/occmed/27.1.42ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsMedicineRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report
