Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage depth dose curves of 6 MV photon beam for field size (a) 5 cm × 5 cm and (b) 25 cm × 25 cm obtained under no bolus condition and with 0.5 cm, 1.0 cm, and 1.5 cm gel bolus sheets without (0.0 cm) and maximum (3.0 cm) air gap below bolus and water surface of RFA-300
