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*AM ALL HLTH PHYS, 1987, NAT AD STUD HLTH SUR
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*NAT CTR HLTH STAT, 1987, 3RD NAT HLTH NUTR SU
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*NAT CTR HLTH STAT, 1987, NAT HLTH INT SURV
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*US BUR CENS, 1985, CURR POP REP P20404
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1987, MMWR, V36, P252
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ACQUIRED IMMUNODEFIC
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1987, MMWR, V36, P1