TY - GEN AU - Geisel,J TI - Unisex rates expensive for employers, insurers SN - 0007-6864 PY - 1983///0729 KW - Female KW - Health Benefit Plans, Employee KW - economics KW - Humans KW - Insurance Benefits KW - Insurance, Health KW - Male KW - Sex Factors KW - United States N1 - Publication Type: Journal Article ER -