title: STUDIES ON X-AGENT. XXXIII. FURTHER STUDIES ON TIME-FLUCTUATION OF X-AGENT.
mesh_terms: D000863:Antacids; D001274:Atmospheric Pressure; D001729:Bismuth; D004194:Disease; D005602:France; D005858:Germany; D007564:Japan; D008829:Microbiology; D010507:Periodicity; D012621:Seasons; D013472:Sunlight; D013548:Sweden; D013696:Temperature
chemical_list: D000863:Antacids; D001729:Bismuth
keywords: ATMOSPHERIC PRESSURE; BISMUTH; DISEASE; FRANCE; GERMANY; JAPAN; MICROBIOLOGY; PERIODICITY; SEASONS; SUNLIGHT; SWEDEN; TEMPERATURE