“…over periods of 7 to 15 days, sometimes combined with intramuscular injections of bismuth.26. n, [31][32][33][34][35][36] Dunlop and Robinson,ae however, have recently reported that 0.5 gm. by intravenous injection, once a day for ment of early but of late syphilis as well, including neurosyphilis.23-2e B Y 10 days in succession, does not appear justified in the treatment of early syphilis in view of the difKculty of administration and the proved efficacy of other modes of treatment.…”