Everything has its price.
D003226:Congresses as Topic / Q000191:economics*; D004059:Diffusion of Innovation; D005249:Fees and Charges; D006801:Humans; D007400:Interprofessional Relations; D008495:Medical Oncology / Q000639:trends*; D012955:Societies, Medical / Q000191:economics / Q000458:organization & administration*