ALLEN, R H Synthetic L-alpha-dioleyl lecithin in antigens for the sero-diagnosis of syphilis: comparison with other lecithins. [electronic resource] - The British journal of venereal diseases Dec 1956 - 253-7 p. digital Publication Type: Journal Article ISSN: 0007-134X Standard No.: 10.1136/sti.32.4.253 doi Subjects--Topical Terms: LecithinsPhosphatidylcholinesSyphilis--diagnosis