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Nurse training. Care of prematurely born babies is one of the most complicated procedures which must be learned by the student nurse. Feeding, bathing and diaper changing are carried on inside the incubator, in which temperature, humidity and oxygen must be carefully regulated. The oxygen tank can be seen in the background</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Fritz_Henle" class="extiw" title="w:en:Fritz Henle"><span title="German-American photographer (1909-1993)">Fritz Henle</span></a>
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