Citation:Wilson JMG, Jungner G 1968
From National Cancer Control Policy
- "http://whqlibdoc.who.int/php/WHO_PHP_34.pdf" contains an extrinsic dash or other characters that are invalid for a date interpretation.
Wilson JMG, Jungner G. Principles and practices of screening for disease. Geneva, Switzerland: World Health Organization; 1968. Report No.: Public Health Papers No. 34. Available from: http://whqlibdoc.who.int/php/WHO_PHP_34.pdf.