Although experiments on similar lines have been carried out in many laboratories overseas, Dr. Chang is certainly the first researcher to induce flowers directly from embryoids without going through the juvenile stage.
而張唯勤所研究的試管人參，只需一、兩個月便可由體胚直接開花。就好比使一名初生嬰兒，不經過幼年期的發育，立即邁入右生育能力的青年期。