00814cam a22002651 4500 sg 44000104 DLC 20260227112742.0 770812s1944 cauac 000 0 eng c sg 44000104 (OCoLC)3183328 U. S. Surg.-gen. off. Libr. MdU-BC DLC premarc RA436 .E5 Empringham, James, 1869- Invisible friends of the body, by James Empringham. Los Angeles, Health education society, c1944. 112 p. port. 21 cm. "Note by the editor" signed: Margareta Empringham. Hygiene. Pathogenic bacteria. Toxins and antitoxins. Empringham, Margareta., ed. Health education society. 90372 90372