| Literature DB >> 4729840 |
M Fahlén, H Bergman, G Helder, L Rydén, I Wallentin, L Zettergren.
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Year: 1973 PMID: 4729840 PMCID: PMC458710 DOI: 10.1136/hrt.35.8.824
Source DB: PubMed Journal: Br Heart J ISSN: 0007-0769