Warning: Undefined array key "U" in C:\Inetpub\vhosts\kidney.de\httpdocs\MedlineBsuchtPMC.php on line 16

Fatal error: Uncaught Error: Undefined constant "nongroth" in C:\Inetpub\vhosts\kidney.de\httpdocs\MedlineBsuchtPMC.php:17 Stack trace: #0 {main} thrown in C:\Inetpub\vhosts\kidney.de\httpdocs\MedlineBsuchtPMC.php on line 17