Youthful offenders at Highfields; an evaluation of the effects of the short-term treatment of delinquent boys.

Mode of access: Internet.

Syphilitic diseases : their pathology, diagnosis, and treatment, including experimental researches on inoculation as a differential agent in testing the character of these affections /

Mode of access: Internet.

Experimental investigations with trypan blue in connection with the intraspinal treatment of lues nervosa ...

"Stellingen" (2 leaves) laid in.

Bias in the estimates of treatment effects in quasi-experimental evaluations /

Bibliography: leaves 16-17.