Sentence:  The diet was also changed to <WSD>malted milk</WSD> — from one-half to one ounce given at a feeding. The careful diet, stomach-washing with doses of one grain of cerium oxalate in one-half drachm of chalk mixture, given hourly, were ineffectual. 
Meaning of the word marked with <WSD> tags:  A powder made by mixing malted barley, flour and milk, the mixture then being dried by evaporation; initially developed as a nutritional supplement, later used as a flavouring.