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From the Editor: At the heart of the mission of general practice.

J PRIM HEALTH CARE 2020;12(1):1–2. doi:10.1071/HCv12n1_ED1 Published 30 March 2020 ‘At the heart of the mission of general practice is the efficient surveillance of a patient population’ write Campbell Murdoch and colleagues in an extraordinary article in this issue. At first this paper looks like a longitudinal study of the immunology of an elderly cohort of people but in fact it is a classical piece of general practice research – a model for the ages. Campbell Murdoch arrived in New Zealand from Scotland in the early 1980s to becomeNewZealand’s first professor of general practice.His arrival started a creative disruption in the existing medical academic environment as he championed general practice academia (including general practice research) where it had previously existed in only embryonic form. This study was started in Murdoch’s Scottish practice, motivated by a concern to understand the present and future needs of the practice’s elderly patients. Interwoven in the article’s presentation of objective measures collected over a period of nearly 40 years is the back story about why the research was started at all, and how it contributes to present knowledge, despite using measures that have now been superseded by newer technology. It is a model for readers starting out in clinical practice research.