TY - RPRT TI - Simple phobia: evidence for heterogeneity. AU - J A Himle AU - K McPhee AU - O G Cameron AU - G C Curtis PY - 1989 DO - 10.1016/0165-1781(89)90194-7 UR - https://pubmed.ncbi.nlm.nih.gov/2740465/ ID - 2740465 ER -