PRACTICE OF VETERINARY SURGERY 59 
with careful scrutiny of the evidence submitted, 
failed to substantiate the claims. Though he had 
been definite as to dates and names, known facts 
contradicted his statement. Shortly after that 
the applicant removed to another section, and 
there was convicted of serious crimes, and pre- 
sumably died before the expiration of his term in 
prison. 
38. Revocation of License. The courts recog- 
nize the fact that the right to practice medicine is 
a valuable property right.°* However, the grant- 
ing of a license does not operate as a surrender of 
police power on the part of the state. (§§ 14, 20.) 
Therefore, a license once granted may be can- 
celed.*7 Because the license, and the right to prac- 
tice dependent thereon, become a property right, 
and the license is in effect a contract with the 
holder, the terms under which it may be revoked 
should be clearly defined in the statutes. Profes- 
sor Freund doubts the justice of such revoca- 
tions; #8 but experience has shown that such a 
course may be necessary, and this power of the 
state has been repeatedly upheld. The Minnesota 
court held that under the laws of 1883 providing 
that refusal of certificates to practice medicine 
might be made by the board ‘‘to individuals guilty 
of unprofessional or dishonorable conduct, and 
it may revoke certificates for like cause,’’ the 
power to revoke certificates is not a judicial power 
which cannot under the constitution be vested in 
36 Hewitt v. Board of Medi- 87 PuBLic HEautH, 428, 212. 
cal Examiners, 148 Cal. 590, 84 38 Police Power, 546. 
Pac. 39. 
