Source:
The Practitioner [Practitioner] 1963 Dec; Vol. 191, pp. 760-2.Publisher: Practitioner Medical Pub Country of Publication: England NLM ID: 0404245 Publication Model: Print Cited Medium:
Source:
British medical journal [Br Med J] 1964 Nov 28; Vol. 2 (5421), pp. 1351-9.Publisher: British Medical Association Country of Publication: England NLM ID: 0372673 Publication Model: Print Cited Medium:
Source:
The British journal of educational psychology [Br J Educ Psychol] 1965 Feb; Vol. 35, pp. 63-8.Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 0370636 Publication Model: Print Cited Medium: Print