SutherlandI.: A symposium on clinical trials, Pfizer, Tonbridge Printers, 1958.
3.
LewisN. D. C., and PiotrowskiZ. A.: Clinical diagnosis of manic-depressive psychosis, in HochP. H., and ZubinJ.: Depression, New York, Grune & Stratton,1954.
4.
FremmingG. H.: The expectation of mental infirmity in a sample of the Danish population, Occ. Pap. Eugen. No. 7,London, Eugen. Soc., 1951.
5.
WalkerLindsay D.: The pattern of post-war psychiatric practice, Thesis (M.D.), University of London, 1958.
6.
NorrisV.: Mental illness in London: a statistical enquiry into admission to mental hospitals, Maudsley Monograph No. 6, London, Chapman and Hall, 1959.
7.
GaddumJ. H.: Proc. Roy. Soc. Med.47: 195, 1954.
8.
BleulerE.: Affectivity, suggestibility, paranoia, State Hospital Bull., N.Y., N. S.3–4: 481–601, 1910–1912.
9.
OdegaardO.: Ment. Hyg.38: 447, 1954.
10.
SlaterE. T. O.: J. Ment. Sc.97: 567, 1951.
11.
Mayer-GrossW.: Proc. Roy. Soc. Med.44: 961, 1951.
12.
CookL. C.: J. Ment. Sc.104: 933, 1958.
13.
ArmitageP.: Quart. J. Med., N. S.23: 255, 1954.
14.
PareC. M. B., and SandlerM.: A trial of iproniazid in the treatment of depression: a clinical and biochemical study.J. Neurol, Neurosurg., Psychiat. In press.
15.
WattsC. A. H.: Neuroses in general practice, Royal College of Physicians Publication No. 6, Edinburgh, 1956.
16.
DaviesD. L., and ShepherdM.: Lancet2:117, 1955.
17.
von FelsingerJ. M., LasagnaL., and BeecherH. K.: J. A. M. A.157: 1113, 1955.
18.
JellinekE. M.: The function of biometric methodology in psychiatric research, Am. Assn. Adv. Sci., Publ. No. 9, p. 48, 1939.
19.
ShapiroM. B.: Experimental method in the psychological description of the individual psychiatric patient, Internat.J. Soc. Psychiat.3: 89, 1957.
20.
HogbenL., and SimM.: Brit. J. Prev. & Social Med.7: 163, 1953.
21.
TuteurW.: Am. J. Psychiat.114: 921, 1958
22.
Bradford HillA.: New England J. Med.247: 113, 1952.