Just incase you haven't picked up on it yet...

For those still worrying about their armies. Look a little closer.
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Buy your cure here,
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /hospital.php on line 42
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /hospital.php on line 101

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Result resource in MySQL is invalid.
Identified argument is empty.
Line 42 contains an invalid MySQL argument.

Fetch array(): supplied is invalid.
Opening line 42 results in an error.
Opening line 101 results in an error.
Line 101 contains an invalid MySQL argument.
Supplied argument is not a valid MySQL argument.