Friday the 13th and full-moon: the "worst case scenario" or only superstition?
Exadaktylos
A K
AK
Sclabas
G
G
Siegenthaler
A
A
Eggli
S
S
Kohler
H P
HP
Luterbacher
J
J
D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006801:Humans; D010507:Periodicity; D013483:Superstitions; D013557:Switzerland