1. Marginal zinc intake impairs mammary gland involution, increases oxidative stress and disrupts ductal integrity abrogating the protective effect of lactation on breast tumorigenesis in a mouse model Open Access Author: Mack, Ronald Paul Title: Marginal zinc intake impairs mammary gland involution, increases oxidative stress and disrupts ductal integrity abrogating the protective effect of lactation on breast tumorigenesis in a mouse model Area of Honors: Nutritional Sciences Keywords: Breast cancer; Collagen; Ductal hyperplasia; Estrogen receptor; File: Download Thesis__final__final.pdf Thesis Supervisors: Shannon Leanne Kelleher, Thesis SupervisorRebecca L Corwin, Thesis Honors Advisor