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December 24, 1904

Duplicate Twins and Double Monsters.

JAMA. 1904;XLIII(26):1982. doi:10.1001/jama.1904.02500260072017

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Northampton, Mass., Dec. 15, 1904.

To the Editor:  —As I have recently become interested in a line of investigation which requires the careful examination of all forms of double monsters, I would be extremely grateful for the gift or loan of fetal or new-born specimens exhibiting any grade of this phenomenon.As such cases are rare, there is a natural tendency to store them up as museum specimens, in which condition the benefit to be derived from them is inconsiderable; while a thorough anatomic investigation would yield far more important results. As I am working on a definite problem, I do not care at present for other forms of monsters, such as those of microcephalous, acephalous or amorphous types, but only for those which exhibit a doubling of any axial part, ranging from single individuals with doubled median parts to two complete individuals united at a single point. Similar cases

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