Differences in the therapeutic response of chlamydia-positive and chlamydia-negative forms of nongonococcal urethritis

Handsfield HH, Alexander ER, Pin Wang S, Pedersen AH, Holmes KK. Differences in the therapeutic response of chlamydia-positive and chlamydia-negative forms of nongonococcal urethritis. J Am Vener Dis Assoc. 1976; 2(3): 5-9.