keepsake
131Alan Bean — Infobox Astronaut name = Alan LaVern Bean type = Astronaut nationality = American date birth = birth date and age|1932|03|15 place birth = Wheeler, Texas occupation = Test pilot rank = Captain, USN selection = 1963 NASA Group time = 69d 15h 45m… …
132Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …
