I've been doing literature searches lately and came across a paper in the
sept 95 J of Pediatrics of a study done in Italy.   IRON STATUS IN BREAST-FED
INFANTS by Alfredo Pisacane et al.

Their abstract states that "iron status of 30 infants who had been breastfed
until their first birthday and who had never received cow milk, medicinal
iron, or iron-enriched formula and cereals was investigated; 30% were anemic
at 12 months of age. ***The duration of exclusive breast-feeding ws
significantly longer among nonanemic infants (6.5 vs 5.5 months).***  ****
None of the infants who were exclusively breast fed for 7 months or more***
and 43% of those who were breastfed for a shorter time were anemic.  Infants
who were exclusviely breast fed for a prolonged period had a good iron status
at 12 and 24 months.

Interesting?!

Mardrey