The additional estrogens received from ERT (estrogen replacement therapy) as a possible link to breast cancer has been the subject of much controversy.
( एस्ट्रोजन रिप्लेस्मेन्ट थैरपि) से प्राप्त अतिरिक्‍त एस्ट्रोजन स्तन कैंसर की ओर एक संभाव्य कड़ी है ।