PMID: 5251294 [PubMed - indexed for MEDLINE]
Lahey Clin Found Bull. 1965; 14(2):49-57.
[Lahey Clin Found Bull. 1965]
Vrach Delo. 1973 Sep; 9:17-9.
[Vrach Delo. 1973]
Indian J Chest Dis. 1973 Jul; 15(3):195-203.
[Indian J Chest Dis. 1973]
Cardiovasc Clin. 1983; 14(2):195-207.
[Cardiovasc Clin. 1983]
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[Pol Merkur Lekarski. 2001]
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