¹⁰¹ MicroRNAs in breastmilk and the lactating breast: potential immunoprotectors and developmental regulators for the infant and the mother: https://www.ncbi.nlm.nih.gov/pubmed/26529003
¹²⁰ In poor families, mothers’ milk is richer for daughters than sons: a test of Trivers-Willard hypothesis in agropastoral settlements in Northern Kenya: https://www.ncbi.nlm.nih.gov/pubmed/22623326
¹²¹ Long-term consequences of breastfeeding on cholesterol, obesity, systolic blood pressure and type 2 diabetes: a systematic review and meta-analysis: https://www.ncbi.nlm.nih.gov/pubmed/26192560
¹²⁸ Variation in zinc, calcium, and magnesium concentrations of human milk within a 24-hour period from 1 to 6 months of lactation: https://www.ncbi.nlm.nih.gov/pubmed/3335969