Abstract
References
1.
Adams
R M
Remington
J S
Steinberg
J
Seibert
J S
. (1970 ) J. Amer. med. Ass.
211 , 457 .
2.British Medical Journal (1970 ) ii , 438 .
3.
Mansson
T
Brehmer-Andersson
E
Wittbeck
B
Grubb
R
. (1970 ) Acta derm.-venereol. (Stockh.)
50 , 119 .