Difficult for private practitioners to obtain reference material.
Vannevel
Janice
J
D002170:Canada; D006801:Humans; D020407:Internet; D017712:Peer Review, Research; D010506:Periodicals as Topic / Q000191:economics / Q000600:supply & distribution / Q000639:trends; D014730:Veterinary Medicine / Q000191:economics* / Q000592:standards