STUDIES ON TRACHOMA. IV. INVESTIGATIONS IN PORTUGAL ON FORMALIN-KILLED TRACHOMA VACCINES WITH SPECIAL REFERENCE TO SEROLOGIC RESPONSE.
D000906:Antibodies; D000941:Antigens; D002689:Chlamydia; D003168:Complement Fixation Tests; D005557:Formaldehyde; D006801:Humans; D011174:Portugal; D014141:Trachoma; D014612:Vaccines; D015164:Vaccines, Inactivated
D000906:Antibodies; D000941:Antigens; D014612:Vaccines; D015164:Vaccines, Inactivated; D005557:Formaldehyde
ANTIBODIES; ANTIGENS; CHLAMYDIA; COMPLEMENT FIXATION TESTS; PORTUGAL; TRACHOMA; VACCINES