On examination, we saw a very nervous, profusely perspiring, emotionally labile woman, who demonstrated a retrocollis with stretching of her back and extremities on being spoken to, or when asked to ex- ecute simple motor activites. She could not sit up because of the stiffness and when in a supine position, she could be lifted as a board from her bed to the examination table. Because of severe contraction of the sternocleidomastoid muscle, it was difficult to palpate the thyroid gland. Her pulse rate was 1 20/min. There was a mild tremor of the
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Dewhurst et al. (1986) studied this question.
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