ARTICLE AUTHORS REFERENCES RESPONSES facebook twitter linkedin email Topics General medicine Statistics, epidemiology and research design MJA 2001; 174: 248-253 The full article is accessible to AMA members and paid subscribers. Login to read more or purchase a subscription now. LOGIN SUBSCRIBE Jonathan C Craig Les M Irwig Martin R Stockler Correspondence: Publication of your online response is subject to the Medical Journal of Australia's editorial discretion. You will be notified by email within five working days should your response be accepted. Author Salutation Dr Miss Mr Mrs Ms Prof Assoc Prof First Name Middle Name Last Name Email Qualifications Institution remove_circle_outline Delete Author add_circle_outline Add Author Comment Do you have any competing interests to declare? * No relevant disclosures Yes Competing interests I/we agree to assign copyright to the Medical Journal of Australia and agree to the Conditions of publication * I/we agree to assign copyright to the Medical Journal of Australia and agree to the Conditions of publication * I/we agree to the Terms of use of the Medical Journal of Australia * I/we agree to the Terms of use of the Medical Journal of Australia * Email me when people comment on this article Email me when people comment on this article Submit Responses are now closed for this article.
