TY - GEN AU - Anderson,D B TI - On certification SN - 0031-5990 PY - 1973///0921 KW - Certification KW - Humans KW - Mental Disorders KW - therapy KW - Psychiatric Nursing KW - education KW - Psychotherapy KW - Societies, Nursing KW - Specialties, Nursing KW - United States N1 - Publication Type: Journal Article ER -