Letters Teenage pregnancy rates and the age and sex of general practitioners BMJ 2000; 321 doi: https://doi.org/10.1136/bmj.321.7257.381/a (Published 05 August 2000) Cite this as: BMJ 2000;321:381 Article Related content Metrics Responses Peer review Related articles Correction Using thresholds based on risk of cardiovascular disease to target treatment for hypertension: modelling events averted and number treated Published: 27 May 2000; BMJ 320 doi: