Letters

Maternal haemoglobin and birth weight in different ethnic groups

BMJ 1995; 310 doi: http://dx.doi.org/10.1136/bmj.310.6994.1601 (Published 17 June 1995) Cite this as: BMJ 1995;310:1601

Methods used do not support conclusions

  1. Sarah Vause,
  2. Michael Maresh,
  3. Khaled Khaled
  1. Research register Director Research registrar Medical Audit Unit, St Mary's Hospital, Manchester M13 0JH

    EDITOR,—We have three comments on the methods used by Philip Steer and colleagues in their study of the relation between maternal haemoglobin concentration and birth weight.1

    Firstly, Steer and colleagues repeatedly refer to the fall in haemoglobin …

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