An oncologist is a medical doctor who specializes in the diagnosis and treatment of cancer. Some oncologists treat patients with all forms of cancer, and others specialize in only one type of cancer. Medical oncologists - These physicians treat cancer with medications including chemotherapy, targeted therapies, immunotherapy, and coordinate other types of treatment.
Definition of Rebuttal. Strictly interpreted, rebuttal refers to an attempt to disapprove, contradict or argue to overcome an opposing reasoning or evidence by introducing another reasoning and evidence to destroy the effect of the previous one.
(Learn how and when to remove this template message) A retraction is a public statement made about an earlier statement that withdraws, cancels, refutes, or reverses the original statement or ceases and desists from publishing the original statement. The retraction may be initiated by the editors of a journal, or by the author(s) of the papers (or their institution).