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OBSTACLES 



TO THE 



Improvement of PHYSIC, 



BY 

 JOH. GEORG. BEYERSTEIN. 



Amasn. Acad. vol. iii, 



PREFACE. 



ALthough phyfic in its whole extent has 

 received great improvements in this age, 

 as moil of its parts have been diligently looked 

 into and reformed; yet its chief ilrength feexTis 

 to confifb in accurate knowledge of difeafes, 

 and medicines, and when we turn our eyes on 

 the prefent times, we find that many fimple 

 medicines have been neo-leded ; which fb little 

 delerve it, that they rather ought to be re- 

 vived^ 



