H Malter

Partial zona dissection of human oocytes when failure of zona pellucida penetration is anticipated.

D Mitchell, G. Wright, J Cohen, 1989, Human reproduction.

Impairment of the hatching process following IVF in the human and improvement of implantation by assisting hatching using micromanipulation.

H Malter, H Kort, J Massey, 1990, Human reproduction.