O*NET OnLine"O*NET OnLine has detailed descriptions of the world of work for use by job seekers, workforce development and HR professionals, students, researchers, and more!" (O*NET OnLine website)
Occupational Outlook Handbook (OOH)"The Occupational Outlook Handbook (OOH) is a career resource offering information on the hundreds of occupations that provide the majority of jobs in the United States." (OOH website)
American Institute of Ultrasound in Medicine (AIUM)"...the AIUM is dedicated to advancing the safe and effective use of ultrasound in medicine through professional and public education, research, development of guidelines, and accreditation. " (AIUM website)
Society of Diagnostic Medical Sonography (SDMS)"The Society of Diagnostic Medical Sonography (SDMS) is a professional membership organization founded in 1970 to promote, advance, and educate its members and the medical community in the science of diagnostic medical sonography." (SDMS website)