Growth of a group of low income infants in the first year of life.
D000886:Anthropometry; D001942:Breast Feeding; D004522:Educational Status; D005260:Female; D006128:Growth; D006801:Humans; D007182:Income; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007492:Iran; D008297:Male