Abstract

References
1.
Frain-Bell W.
,
Lakshmipathi T.
,
Rogers J.
, &
Willock J.
(1974 ) British Journal of Dermatology 91 , 617
2.
Ive F.A.
,
Magnus I.A.
,
Warin R.P.
, &
Wilson Jones E.
(1969 ) British Journal of Dermatology 81 , 469
3.
Ramsay C.A.
, &
Kobza Black A.
(1973 ) Transactions of the St John's Hospital Dermatological Society 59 , 152
