Letters

Circaseptennial rhythm is an artefact

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7085.978 (Published 29 March 1997) Cite this as: BMJ 1997;314:978
  1. M J Campbell, Reader in medical statisticsa
  1. a Medical Statistics and Computing, Southampton General Hospital, Southampton SO16 6YD

    Editor–The strange result on circaseptennial rhythm in ear growth1 is probably due to the way the data were processed rather than any properties of the human body. Given ear size at age t as x …

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