[Obstetrical echography and primary care].
del Alamo Alonso
A J
AJ
Doval Conde
J L
JL
Menéndez Villalva
C
C
Alvarez Mazariegos
J A
JA
D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011320:Primary Health Care; D016216:Ultrasonography, Prenatal
Ecografía obstétrica y atención primaria.