How it came about.
Albert
A
Starr
D000818:Animals; D002321:Career Choice; D004503:Education, Medical, Graduate; D005544:Forecasting; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000193:education* / Q000639:trends; D006801:Humans; D007588:Job Satisfaction; D011474:Prosthesis Design / Q000639:trends*; D014481:United States