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2
by Platt, R.
Published in BMJ (1965)
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3
by Platt, R.
Published in BMJ (1965)
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4
by Platt, R.
Published in BMJ (1963)
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5
by Platt, R.
Published in BMJ (1963)
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6
by Platt, R.
Published in BMJ (1962)
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7
by Platt, R.
Published in BMJ (1962)
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8
by Platt, R.
Published in BMJ (1959)
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9
10
by Platt, R.
Published in BMJ (1958)
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11
by Platt, R.
Published in BMJ (1956)
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12
by Platt, R.
Published in BMJ (1955)
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13
by Platt, R.
Published in BMJ (1954)
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14
by Platt, R.
Published in BMJ (1953)
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15
by Platt, R.
Published in BMJ (1952)
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16
by Platt, R.
Published in BMJ (1952)
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17
by Platt, R.
Published in BMJ (1952)
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18
by Platt, R.
Published in BMJ (1952)
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19
by Platt, R.
Published in BMJ (1952)
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20