From the editor's desk
Research regulation, and development of new pharmaceuticals: past, present, and future Part I
Renal function in heterozygotes for Wilson's disease
Perspective
Relationship of virus dose to incubation time of clinical hepatitis and time of appearance of hepatitis—associated antigen
Variations in the hematologic and medical status of alcoholics
Clinical and in vitro evaluation of cephapirin: a new parenteral cephalosporin
American Gastroenterological Association
American Thoracic Society