Abstract

References
1.
Blumberg S.
,
Bierfang D.
, &
Kantrowitz F.G.
(1980 ) Archives of Internal Medicine 140 , 847 –848
2.
Cream J.J.
,
Levene G.M.
, &
Calnan C.D.
(1971 ) British Journal of Dermatology 84 , 393 –399
3.
Ethington J.E.
, &
Jordan R.E.
(1981 ) In: Progress in Diseases of the Skin, vol I. Ed.
Fleischmajer R.
Grune & Stratton , New York ; pp 216 –217 & 219–221
4.
Katz S.I.
,
Gallin J.I.
,
Hertz K.C.
,
Fauci A.S.
, &
Lawley T.S.
(1977 ) Medicine 56 , 443 –455
5.
Lane J.M.
(1969 ) New England Journal of Medicine 280 , 781
6.
Lang P.G.
(1979 ) Journal of the American Academy of Dermatology 1 , 479 –492
7.
Main R.A.
(1967 ) British Journal of Dermatology 79 , 68 –69
8.
Mastroiacovo P.
(1976 ) Minerva Pediatrica 28 , 1591
9.
Mitchell D.M.
, &
Hoffbrand B.I.
(1979 ) Journal of the Royal Society of Medicine 72 , 614 –615
10.
Robertson P.W.
, &
Leonard B.J.
(1956 ) British Medical Journal ii , 1029 –1032
11.
Ryan T.J.
(1976 ) Microvascular Injury. W B Saunders , London ; pp 164 –194
12.
Sams W.M.
(1980 ) In: Vasculitis. Ed.
Wolff K
, &
Winkelmann R K
. Lloyd-Luke , London ; pp 108 –116
13.
Stendahl O.
,
Molin L.
, &
Dalilgren C.
(1978 ) Journal of Clinical Investigation 62 , 214 –220
14.
Thompson D.M.
,
Main R.A.
,
Beck J.S.
, &
Albert-Recht F.
(1973 ) British Journal of Dermatology 88 , 117 –125
15.
Thompson D.M.
, &
Souhami R.
(1975 ) Proceedings of the Royal Society of Medicine 68 , 273
16.
Vollum D.I.
(1968 ) British Journal of Dermatology 80 , 178 –183
17.
Wells G.C.
(1969 ) Proceedings of the Royal Society of Medicine 62 , 665 –666
