Helsing, Elisabet. Breast-feeding in practice : A Manual for Health Workers - Oxford ; New York : Oxford University Press, 1982. - xvi, 271 p. : ill. ; 20 cm. - Oxford medical publications . Includes index. ISBN: 0192612980 (pbk.) : Subjects--Topical Terms: Breastfeeding.Breast feeding. Dewey Class. No.: 649.3