Abstract
References
1.
Hunter C.
,
Barer G.R.
,
Shaw J.W.
, &
Clegg E.G.
(1974 ) Clinical Science and Molecular Medicine 46 , 375
2.
Neff T.A.
, &
Petty T.L.
(1970 ) Annals of Internal Medicine 72 , 621
3.
Stark R.D.
,
Finnegan P.
, &
Bishop J.M.
(1973 ) British Medical Journal iii , 467 –470
4.
Ude A.C.
, &
Howard P.
(1971 ) Thorax 26 , 572 –578