the effect of zymosan-activated serum samples , obtained from patients with acne who were receiving oral tetracycline hydrochloride therapy , on the chemotaxis and random migration of autologous polymorphonuclear leukocytes ( pmnls ) and pmnls from control donors was assayed in a sykes-moore chamber by a double-filter technique .
C0001144
acne
C0546879
tetracycline hydrochloride