A VIRUS-INDUCED MAMMALIAN GROWTH WITH THE CHARACTERS OF A TUMOR (THE SHOPE RABBIT PAPILLOMA) : II. EXPERIMENTAL ALTERATIONS OF THE GROWTH ON THE SKIN: MORPHOLOGICAL CONSIDERATIONS: THE PHENOMENA OF RETROGRESSION.

A VIRUS-INDUCED MAMMALIAN GROWTH WITH THE CHARACTERS OF A TUMOR (THE SHOPE RABBIT PAPILLOMA) : II. EXPERIMENTAL ALTERATIONS OF THE GROWTH ON THE SKIN: MORPHOLOGICAL CONSIDERATIONS: THE PHENOMENA OF RETROGRESSION.