Ann Intern Med. 1954 Nov;41(5):918-34. doi: 10.7326/0003-4819-41-5-918.
Annals of internal medicine
J R DURHAM, L C McGEE
PMID: 13208037 DOI: 10.7326/0003-4819-41-5-918
[No abstract available.]
Keywords: ELECTROCARDIOGRAPHY; INDUSTRIAL HYGIENE