. . "Syphilis diagnosis." . . . . . . . . "Serum diagnosis by complement-fixation, with special reference to syphilis; the principles, technique and clinical applications" . "Serum diagnosis by complement-fixation : with special reference to syphilis : the principles, technique and clinical applications"@en . "Serum diagnosis by complement fixation : with special reference to syphilis"@es . . . . "Serum diagnosis by complement-fixation" . . . "Serum diagnosis by complement-fixation with special reference to syphilis; the principles, technique and clinical applications"@en . . . . . . . "Serum Diagnosis by complement-fixation with special reference to syphilis" . . "Sífilis." . . "Serologic Tests." . .