29 Oct FLUORIDE papers by Margaret Cammack Smith (1935)
DENTISTS & FLUORIDE, UNCATEGORIZED | adminNotice the date ⇒ 1934 ⇐ This is one of many research papers Margaret wrote on fluorosis all those years ago. . Paper # 1 of 3 Extract: Press Release, U.S. Dept. of Agriculture, 23 April 1935 ...