21 |
|
Approval of Laboratories for Surgical Pathology in New York State /
|
Wadsworth, Augustus
|
|
1934
|
|
|
22 |
|
Arsenic Poisoning by Pies /
|
Lawall, Charles H
|
|
1934
|
|
|
23 |
|
Association News
|
|
American Public Health Association
|
1934
|
|
|
24 |
|
Association News
|
|
American Public Health Association
|
1934
|
|
|
25 |
|
Association News
|
|
American Public Health Association
|
1934
|
|
|
26 |
|
Association News
|
|
American Public Health Association
|
1934
|
|
|
27 |
|
Association News
|
|
American Public Health Association
|
1934
|
|
|
28 |
|
Author Index
|
|
American Chemical Society
|
1934
|
|
|
29 |
|
Automatic All-Glass Extractors for the Laboratory /
|
La Laned Jr., W.A
|
American Chemical Society
|
1934
|
|
|
30 |
|
Automatic Vacuum Regulator /
|
Liebig, Jr., George F
|
American Chemical Society
|
1934
|
|
|