PT  - JOURNAL ARTICLE
ED  - , 
TI  - SCIENTIFIC NOTES AND NEWS
AID  - 10.1126/science.49.1271.445
DP  - 1919 May 09
TA  - Science
PG  - 445--446
VI  - 49
IP  - 1271
4099  - http://science.sciencemag.org/content/49/1271/445.short
4100  - http://science.sciencemag.org/content/49/1271/445.full
SO  - Science1919 May 09; 49