TY  - GEN
AU  - Ludwig,A M
TI  - Altered states of consciousness
SN  - 0003-990X
PY  - 1966///1126
KW  - Consciousness
KW  - Humans
N1  - Publication Type: Journal Article; Review
UR  - https://doi.org/10.1001/archpsyc.1966.01730150001001
ER  -