Abstract
References
1.
Burrows W.L.
(1971 ) Practitioner 206 , 810 –814
2.
Fry J.
(1977 ) Proceedings of the Royal Society of Medicine 70 , 69
3.
Green R.H.
(1973 ) Journal of the Royal College of General Practitioners 23 , 316 –325
4.
Patterson H.R.
,
Fraser R.C.
, &
Peacock E.
(1974 ) Journal of the Royal College of General Practitioners 24 , 237 –241
5.
Richards C.W.
(1976 ) Journal of the Royal College of General Practitioners 26 , 823 –827