|Cancer patients require radiation therapy apart from chemotherapy. External Radiation is a method of sending high energy rays to the target organ threw the skin with the help of a machine. The duration and dose of radiation varies according to the type and place of cancer, other drugs that are used, age etc. some methods of external radiation are Three-dimensional conformal radiation therapy, Intensity modulated radiation therapy, Conformal proton beam radiation therapy.
Scientific journal is a periodical publication intended to further progress of science, usually by reporting novel research. There are thousands of scientific journals in publication, and many more have been published at various points in the past.
Most journals are highly specialized, although some of the oldest journals publish articles and scientific papers across a wide range of scientific fields. Scientific journals contain articles that are peer reviewed, to ensure that articles meet the journal's standards of quality, and scientific validity. The publication of the results of research is an essential part of the scientific method. If they are describing experiments or calculations, they must supply enough details that an independent researcher could repeat the experiment or calculation to verify the results. Each such journal article becomes part of the permanent scientific record.