Some additional references:

          Minchin M. Smoking and breastfeeding: an overview. Journal
          of Human Lactation, 1991, 7(4):183-188.

          Scragg LK et al. Evaluation of the cot death prevention
          programme in South Auckland. New Zealand Medical Journal,
          1993, 106:8-10 (includes smoking as a risk factor).

          Schulte-Hobein B et al. Cigarette smoke exposure and
          development of infants throughout the first year of life:
          influence of passive smoking and nursing on cotinine levels
          in breast milk and infant's urine. Acta Paediatrica, 1992,
          81:550-557.

          Owen M et al. Relation of infant feeding practices,
          cigarette smoke exposure, and group child care to the onset
          and duration of otitis media with effusion in the first two
          years of life. Journal of Pediatrics, 1993, 123:702-711.

          Jim Akre, Nutrition, WHO, Geneva