Web-based references relating to the number under the disk sign, listed by page header 
Haematology
1 Image from the Song of Los by
william Blake
[Link]; page 308
2
Image of spherocyte permission from; page Bessis M: Blood Smears Reinterpreted,
Springer-Verlag, 1977, p. 97
[Link]; page 308
3
Professor Krzysztof Lewandowski
[Link]; page 309,
313
Anaemia
4 Hill SR, Carless PA, Henry DA, Carson JL, Hebert PC, McClelland DB,
Henderson KM. Transfusion thresholds and other strategies for guiding allogeneic
red blood cell transfusion. Cochrane Database Syst Rev. 2002;(2):CD002042.
Review.
[Link]; page 310
Iron-deficiency anaemia (IDA)
(footnote) Yates JM, Logan EC, Stewart RM. Iron
deficiency anaemia in general practice: clinical outcomes over three years and
factors influencing diagnostic investigations. Postgrad Med J. 2004; 80: 405-10.
[Link]; page 312
(footnote) Hardwick
RH, Armstrong CP. Synchronous upper and lower gastrointestinal endoscopy is an
effective method of investigating iron-deficiency anaemia. Br J Surg 1997; 84:
1725-8.
[Link]; page 312
5 Professor Christine Lawrence
[Link]; page 313
6;
[Link]; page 313
7
Professor Krzysztof Lewandowski
[Link]; page 313
8
Professor Christine Lawrence
[Link]; page 313
9
Professor Christine Lawrence
[Link]; page 313
The peripheral blood film
10
[Link]; page 315
11
Professor Barbara Bain
[Link]; page 315
12
Professor Christine Lawrence
[Link]; page 315
13
Dr. Nivaldo Medeiros
[Link]; page 315
14
Professor Christine Lawrence
[Link]; page 315
15
Image of Pappenheimer body Courtesy of the Crookston collection
[Link]; page 315
16 Professor Krzysztof Lewandowski
[Link]; page 315
17; page
[Link]; page 315
18
Professor Barbara Bain
[Link]; page 315
19
Wadsworth Centre, case presentation, commentary to slide number 138
[Link]; page 317
20
Image of cabot ring, courtesy of the Crookston Collection
[Link]; page 317
The differential white cell count
21
B Bain 1999 nejm 1999 341 1141 and 1060; page 317
22 J Leone 2000 nejm 342 442
and 1061 The Spry definition of eosinophilia: counts of 0.55 " 109 to 1.5 "
109/L need follow-up'; counts of 1.5 " 109 to 10 " 109/L need investigation
soon', and counts of >10 " 109/L need urgent assessment'"including cardiac.
[Link]?; page 317
(footnote) Bain
BJ. Relationship between idiopathic hypereosinophilic syndrome, eosinophilic
leukemia, and systemic mastocytosis. Am J Hematol. 2004; 77: 82-5.
[Link]; page 316
23
[Link]; page 317
24
[Link]; page 317
25
[Link]; page 317
26
[Link]; page 317
27
[Link]; page 317
Macrocytic anaemia
28
Davey Smith G, Ebrahim S. Folate supplementation and cardiovascular disease.
Lancet 2005; 366: 1679-1681.
[Link]; page 318
29; page
Lewis SJ, Ebrahim S, Davey Smith G. Meta-analysis of MTHFR 677C->T
polymorphism and coronary heart disease: does totality of evidence support
causal role for homocysteine and preventive potential of folate? BMJ. 2005; 331
(7524): 1053.
[Link]; page 318
30
Professor Barbara Bain
[Link]; page 319
