INTERLABORATORY STUDY OF STRONTIUM-90 MEASUREMENTS IN MILK--AUGUST 1963.
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Food Analysis↗
Biomedical subjects
P B HAHN
Publications and source records attributed to P B HAHN.
Learning problems. III. A program for early intervention in school phobia.
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Child↗
School phobia; workshop, 1955. II. School phobia: neurotic crisis or way of life.
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Humans↗
The development, meaning and management of school phobia; workshop, 1956.
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Child↗