I'm not clear, you can't find the refs or the articles?
Refs are: (ones with * I have)

Matthews, MK (1988). Developing an instrument to assess infant
breastfeeding behaviour in the early neonatal peroid.  Midwifery 4(4)
154-165.

Matthews, MK (1991). Mothers' satisfaction with their neonates
breastfeeding behaviour.  JOGNN 20(1)49-55.

*Matthews, MK (1989). The relationship between maternal labour analgesia
and delay in the iniation of breastfeeding in healthy neonates in the early
neonatal period.  Midwifery 5, 3-10.

*Matthews, MK (1993).  Experiences of primiparous breast-feeding mothers in
the first days following birth.  Clinical Nursing Research, 2(3)309-326.

Dr. Matthews was at School of Nursing, Memorial University, St.John's,
Newfoundland.  Maybe a Canadian Lactnetter will know her current address.
Sincerely, Pat in SNJ