parallel substrate-related changes occurred in the levels of high-energy phosphate compounds : tissue creatine , adp free , and inorganic phosphate ( pi ) were significantly decreased , leading to increases ( p less than 0.01 ) in [ creatine phosphate ] / [ creatine ] and [ atp ] free/ [ adp ] free [ pi ] .
C0031634
creatine phosphate
C0010286
creatine