[' ', ' ', '16', ':', '‘', 'Cc', 'C', 'that', 'the:', 'place-of-birth', 'rate', 'for', 'selected', 'cancer', 'sites', 'was', 'ac-', 'centuated:', 'when', 'rellated', 'to', 'designated', 'areas', 'within', 'the', 'South.', 'It.', 'is', 'reasonable:', 'to', 'assume', 'variation.', 'of', 'age', 'for', 'those', 'who:', 'migrated', 'to', 'Ohio', 'with', 'the', 'major', 'proportion.', 'in', 'the', 'young', 'andi', 'employable', 'age', 'groups', 'in', 'accordance', 'with', 'the', 'econonic', 'ate', 'tractions', 'at', 'different', 'points.', 'in', 'time..', 'The', 'findings', 'indicate', '“a', 'certain', 'consistency', 'off', 'latent', 'period', 'required', 'for', 'biolegical', 'effects,', 'which', 'would', 'vary', 'according', 'to', 'the', 'degree:', 'of', 'inherent', 'physiological', 'imbalance', 'of', 'the', 'individuals', 'at', 'the:', 'time', 'of', 'mi-', 'gration', ',and', 'the', 'strength,', 'nature.', 'and', 'degree', 'of', 'the', 'subsequent', 'environmental.', 'influences.', 'to', 'which', 'the', 'indilviduals.', 'were', 'subjected', 'fin,', 'seneseding', 'years.', '=', '‘The', 'findings', 'indicate', 'further', 'that', 'the', 'combination', 'of', 'an,', 'interplay', 'of', 'foxees', ',', 'puter', 'to', 'and', 'subsequent', 'to', 'migration,', 'are', 'sufficiently', 'strong', 'to', 'be', 'reflected', 'in', 'a', 'gross:', 'measure', 'of', 'biological', 'effect,', 'mortality', 'for', 'a', 'specific', 'cancer.', 'for', 'the', 'en-', 'tire', 'group', 'regardless', 'of', 'the', 'factors', 'of', 'dilution.', 'Not', 'all', 'in-', 'dividuals', 'who', 'migrated!', 'would!', 'be', 'adversely', "afife'cted", 'nor', 'were', 'all', 'subjected', 'to', 'the', 'same', 'degree', 'or', 'severity', 'of', 'environmental', 'risk.', 'It', 'is', 'most.', 'likely', 'that', 'more', 'sensitive.', 'measures,', 'patterns', 'of', 'i11l-', 'ness,', 'disesae', 'and', 'disability,', 'would', 'reflect', 'among', 'those:', 'who', 'mi-', 'grated', 'even', 'greater', 'differences', 'compared.', 'to', 'these', 'born', 'in,', 'Ohio.', 'One', 'obvious', 'factor', 'having', 'an', 'adverse', 'effect.', 'could!', 'be', 'found', 'in', 'the', 'tendency', 'for', 'migrants', 'to', 'take', 'on', 'the', 'dirty', 'jobs', 'in', 'industry.', 'Indeed', 'in', 'attempting', 'to', 'reconstruct', 'the', 'life', 'working', '“histories:', 'among', 'the', 'nonwhite', 'the:', 'term', '"laborer"', 'as', 'an', 'occupation', 'on', 'death', 'certificates', 'and', 'survey', 'forms', 'is', 'frequently.', 'encountered.', 'The:', 'implications:', 'off', 'this', 'on', 'epidemiological', 'sttudics', 'warrants', 'he', ' ', 'I02Z2SLE0']