The dose-related response of the mammary growth was studied in immature ICR-JCL female mice given 0.03 micrograms of estradiol per animal subcutaneously, and 0.005-1.0mg of either of the following phenothiazines (chlorpromazine, levometh iomeprazine, promethazine, perphenazine, thioridazine and propericiazine) per 10g of body weight was given orally once a day for 9 days starting on the 5th day...