Breast and Nipple Pain in Early Stages of Lactation

Haemoglobin J was seen in two unrelated women of Gujerati-speaking Lohana stock.In one of them the haemoglobin J trait was present together with thal- assaemia minor.There was no evidence for a detri- mental interaction between the genes for thalassaemia and for haemoglobin J-that is, for a hypothetical haemoglobin J thalassaemia disease.We are grateful to Dr. G. D. Adhia for referring the two children to us, and to Dr. R. P. Vasani for his help in collecting samples of blood.We thank