By Eltahawy Ehab A   Grubb Blair P   in Future Cardiology

ISSN:1479-6678|2|3|325-334

Future Medicine‎(2006)‎

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By Kavi Lesley   Gammage Michael D   Grubb Blair P   Karabin Beverly L   in British Journal of General Practice

ISSN:1478-5242|62|599|286-287

Royal College of General Practitioners‎(2012)‎

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