pustule,cyst

acne vulgaris comedone papule, pustule and nodule
effect of host genotype on the relationship between pustule
五,脓疱性痤疮(pustule)
图十三:左图为水疱(vesicle);中图为脓疱(pustule);右图为大疱(bulla
serethus - unholy ascendant pustule pete, ph.