title: Heartsink.
authors.forename: T
authors.initials: T
authors.lastname: Dixon
references.citation: Br Med J (Clin Res Ed). 1986 Aug 2;293(6542):317-8
references.pmid: 3089503
references.citation: BMJ. 1988 Aug 20-27;297(6647):528-30
references.pmid: 3139188
references.citation: BMJ. 1988 Aug 20-27;297(6647):530-2
references.pmid: 3139189
references.citation: N Engl J Med. 1978 Apr 20;298(16):883-7
references.pmid: 634331
references.citation: BMJ. 1988 Aug 20-27;297(6647):498-9
references.pmid: 3139174