Insulin-like growth factor^1st specimen post XXX challenge&#x7C;Pt&#x7C;Ser/Plas
insulin-like growth factor^1st specimen post xxx challenge&#x7c;pt&#x7c;ser/plas
Insulin-like growth factor^1st specimen post XXX challenge&#x7C;Pt&#x7C;Ser/Plas
insulin-like growth factor^1st specimen post xxx challenge&#x7c;pt&#x7c;ser/plas