Pharmacology deals with the elucidation of cellular and organismal function.
Pink Bubbles Go Ape is the fourth studio album by German power metal band Helloween , released in 1991 .. Helloween. Helloween. German. Germany. power metal. power metal. It marked the departure of guitarist Kai Hansen , with Roland Grapow replacing him .. Kai Hansen. Kai Hansen. Roland Grapow. Roland Grapow. Musically it was written with a softer , less epic , and sometimes humorous approach , which would be later fully implemented in the band 's following album Chameleon -LRB- 1993 -RRB- .. Chameleon. Chameleon ( Helloween album ). The album contains two singles , which are `` Kids of the Century '' and `` Number One '' .. Kids of the Century. Kids of the Century. Number One. Number One ( Helloween song ). `` Kids of the Century '' reached # 56 in the United Kingdom .. Kids of the Century. Kids of the Century. United Kingdom. UK Singles Chart. There were some tunes recorded for this album , which were either not featured on it -LRB- Windmill -RRB- or have never been finished -LRB- City Cries -RRB- .. On the other hand , the track `` Heavy Metal Hamsters '' -LRB- supposedly written about the band 's former record company -RRB- was , according to Michael Weikath , never intended to be on the album , but rather on a B-side of a single .. Michael Weikath. Michael Weikath