[Two cases of late congenital syphilis with negative Nelson's test in the mother].
[A case of plantar radionecrosis: treated and cured by so-called cross-leg pedicled autoplasty].
[Chronic cheilitis with superior gingivitis].
[Studies of treponema on black background after friction with alcohol].
[Tyrosinase in normal and diseased pigment cells of the skin; detection by histochemical and biochemical method].
[Agonizing pemphigus; immediate beneficial effect of hydrocortisone].