TY - RPRT TI - Panic disorder. An overlapping or independent entity? AU - A Okasha AU - Z Bishry AU - A H Khalil AU - T A Darwish AU - A S el Dawla AU - A Shohdy PY - 1994 DO - 10.1192/bjp.164.6.818 UR - https://pubmed.ncbi.nlm.nih.gov/7864948/ ID - 7864948 ER -