THE IMMUNOLOGY OF THE TRACHOMA AGENT WITH A PRELIMINARY REPORT ON FIELD TRIALS ON VACCINE.
D000486:Allergy and Immunology; D002689:Chlamydia; D003168:Complement Fixation Tests; D006801:Humans; D014141:Trachoma; D014612:Vaccines
D014612:Vaccines
CHLAMYDIA; COMPLEMENT FIXATION TESTS; IMMUNOLOGY; VACCINES