Authors:
VANDERZWALMEN P
NIJS M
SCHOYSMAN R
BERTIN G
LEJEUNE B
VANDAMME B
KAHRAMAN S
ZECH H
Citation: P. Vanderzwalmen et al., THE PROBLEMS OF SPERMATID MICROINJECTION IN THE HUMAN - THE NEED FOR AN ACCURATE MORPHOLOGICAL APPROACH AND SELECTIVE METHODS FOR VIABLE AND NORMAL-CELLS, Human reproduction, 13(3), 1998, pp. 515-519
Authors:
ANDERSEN AN
LOFT A
LEERENTVELD R
VANKAMP A
ZECH H
HOOMANS E
Citation: An. Andersen et al., A PROSPECTIVE TRIAL COMPARING PUREGON(R) 150 IU AND METRODIN-HP(R) 225 IU AS A FIXED-DOSE REGIMEN IN IVF TREATMENT, Human reproduction (Oxford. Print), 13, 1998, pp. 112-112
Authors:
VANDERZWALMEN P
ZECH H
BIRKENFELD A
YEMINI M
BERTIN G
LEJEUNE B
NIJS M
SEGAL L
STECHER A
VANDAMME B
VANROOSENDAAL E
SCHOYSMAN R
Citation: P. Vanderzwalmen et al., INTRACYTOPLASMIC INJECTION OF SPERMATIDS RETRIEVED FROM TESTICULAR TISSUE - INFLUENCE OF TESTICULAR PATHOLOGY, TYPE OF SELECTED SPERMATIDS AND OOCYTE ACTIVATION, Human reproduction, 12(6), 1997, pp. 1203-1213
Citation: H. Zech, MEASUREMENT TECHNIQUE FOR PUMP AND SIGNAL BACKGROUND ABSORPTION OF ERBIUM-DOPED FIBERS - REPLY, Electronics Letters, 32(12), 1996, pp. 1127-1128
Citation: H. Zech, MEASUREMENT TECHNIQUE FOR THE QUOTIENT OF CROSS-SECTIONS SIGMA(E)(LAMBDA(S)) SIGMA(A)(LAMBDA(S)) OF ERBIUM-DOPED FIBERS, IEEE photonics technology letters, 7(9), 1995, pp. 986-988
Citation: H. Zech, GAIN PROFILES OF ERBIUM-DOPED FIBER AMPLIFIERS - COMPARISON BETWEEN THEORY AND EXPERIMENT, Electronics Letters, 31(24), 1995, pp. 2101-2102
Citation: H. Zech, MEASUREMENT TECHNIQUE FOR PUMP AND SIGNAL BACKGROUND ABSORPTION OF ERBIUM-DOPED FIBERS, Electronics Letters, 31(21), 1995, pp. 1866-1867
Citation: H. Zech, EXACT ANALYTICAL EXPRESSIONS FOR OUTPUT POWER AND THRESHOLD OF ERBIUM-DOPED FIBER FABRY-PEROT LASERS, Electronics Letters, 30(16), 1994, pp. 1299-1300
Citation: H. Zech et al., COMPARISON OF SPERM PREPARATION TECHNIQUE S WITH REGARD TO SPERM RECOVERY, SPERM SURVIVAL AND FERTILIZATION RATE IN-VITRO IN NORMAL AND PATHOLOGICAL EJACULATES, Geburtshilfe und Frauenheilkunde, 53(10), 1993, pp. 715-720