[Consultation].
van den Berg
P M A
PM
D000368:Aged; D000823:Animal Identification Systems / Q000592:standards*; D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012017:Referral and Consultation; D012179:Retirement; D014195:Travel; D014730:Veterinary Medicine / Q000639:trends*