title: [Present problem in delivery of milk into cities].
authors.forename: B
authors.initials: B
authors.lastname: DOUBEK
mesh_terms: D000818:Animals; D001940:Breast; D002947:Cities; D003611:Dairy Products; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D008892:Milk; D011247:Pregnancy